45105501 has 8 divisors (see below), whose sum is σ = 68732224. Its totient is φ = 25774560.

The previous prime is 45105499. The next prime is 45105503. The reversal of 45105501 is 10550154.

It is an interprime number because it is at equal distance from previous prime (45105499) and next prime (45105503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45105501 - 2¹ = 45105499 is a prime.

It is a super-2 number, since 2×45105501² = 4069012440922002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2147881 = 45105501 / (4 + 5 + 1 + 0 + 5 + 5 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45105503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073920 + ... + 1073961.

It is an arithmetic number, because the mean of its divisors is an integer number (8591528).

Almost surely, 2^45105501 is an apocalyptic number.

It is an amenable number.

45105501 is a deficient number, since it is larger than the sum of its proper divisors (23626723).

45105501 is a wasteful number, since it uses less digits than its factorization.

45105501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147891.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 45105501 is about 6716.0629091753. The cubic root of 45105501 is about 355.9670807628.

Adding to 45105501 its reverse (10550154), we get a palindrome (55655655).

It can be divided in two parts, 4510 and 5501, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 45105501 in words is "forty-five million, one hundred five thousand, five hundred one".