45040501 has 4 divisors (see below), whose sum is σ = 49135104. Its totient is φ = 40945900.

The previous prime is 45040493. The next prime is 45040519. The reversal of 45040501 is 10504054.

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.

It is a cyclic number.

It is not a de Polignac number, because 45040501 - 2³ = 45040493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047285 + ... + 2047306.

It is an arithmetic number, because the mean of its divisors is an integer number (12283776).

Almost surely, 2^45040501 is an apocalyptic number.

It is an amenable number.

45040501 is a deficient number, since it is larger than the sum of its proper divisors (4094603).

45040501 is a wasteful number, since it uses less digits than its factorization.

45040501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094602.

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

The square root of 45040501 is about 6711.2220198709. Note that the first 3 decimals coincide. The cubic root of 45040501 is about 355.7960078853.

Adding to 45040501 its reverse (10504054), we get a palindrome (55544555).

The spelling of 45040501 in words is "forty-five million, forty thousand, five hundred one".