45503757 has 18 divisors (see below), whose sum is σ = 71174922. Its totient is φ = 28001376.

The previous prime is 45503749. The next prime is 45503797. The reversal of 45503757 is 75730554.

45503757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2653641 + 42850116 = 1629^2 + 6546^2 .

It is not a de Polignac number, because 45503757 - 2³ = 45503749 is a prime.

It is a super-2 number, since 2×45503757² = 4141183802230098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503707) 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 17 ways as a sum of consecutive naturals, for example, 13438 + ... + 16479.

Almost surely, 2^45503757 is an apocalyptic number.

It is an amenable number.

45503757 is a deficient number, since it is larger than the sum of its proper divisors (25671165).

45503757 is a wasteful number, since it uses less digits than its factorization.

45503757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29949 (or 29933 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 45503757 is about 6745.6472632358. The cubic root of 45503757 is about 357.0116748765.

The spelling of 45503757 in words is "forty-five million, five hundred three thousand, seven hundred fifty-seven".