45757523 has 24 divisors (see below), whose sum is σ = 56873232. Its totient is φ = 36578304.

The previous prime is 45757507. The next prime is 45757531. The reversal of 45757523 is 32575754.

45757523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45757523 - 2⁴ = 45757507 is a prime.

It is a super-2 number, since 2×45757523² = 4187501822191058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45757553) 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 23 ways as a sum of consecutive naturals, for example, 135611 + ... + 135947.

It is an arithmetic number, because the mean of its divisors is an integer number (2369718).

Almost surely, 2^45757523 is an apocalyptic number.

45757523 is a deficient number, since it is larger than the sum of its proper divisors (11115709).

45757523 is a wasteful number, since it uses less digits than its factorization.

45757523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 524 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 45757523 is about 6764.4307225368. The cubic root of 45757523 is about 357.6741075744.

The spelling of 45757523 in words is "forty-five million, seven hundred fifty-seven thousand, five hundred twenty-three".