45202501 has 4 divisors (see below), whose sum is σ = 47581600. Its totient is φ = 42823404.

The previous prime is 45202499. The next prime is 45202511. The reversal of 45202501 is 10520254.

45202501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10520254 = 2 ⋅5260127.

It is a cyclic number.

It is not a de Polignac number, because 45202501 - 2¹ = 45202499 is a prime.

It is a super-3 number, since 3×45202501³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2379079 = 45202501 / (4 + 5 + 2 + 0 + 2 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45202511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189521 + ... + 1189558.

It is an arithmetic number, because the mean of its divisors is an integer number (11895400).

Almost surely, 2^45202501 is an apocalyptic number.

It is an amenable number.

45202501 is a deficient number, since it is larger than the sum of its proper divisors (2379099).

45202501 is a wasteful number, since it uses less digits than its factorization.

45202501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379098.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45202501 is about 6723.2805236729. The cubic root of 45202501 is about 356.2220687653. Note that the first 3 decimals are identical.

Adding to 45202501 its reverse (10520254), we get a palindrome (55722755).

It can be divided in two parts, 4520 and 2501, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 45202501 in words is "forty-five million, two hundred two thousand, five hundred one".