45765690 has 32 divisors (see below), whose sum is σ = 111481920. Its totient is φ = 12021504.

The previous prime is 45765637. The next prime is 45765739. The reversal of 45765690 is 9656754.

45765690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45765690² = 4188996762352200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9375 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (3483810).

Almost surely, 2^45765690 is an apocalyptic number.

45765690 is an abundant number, since it is smaller than the sum of its proper divisors (65716230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45765690 is a wasteful number, since it uses less digits than its factorization.

45765690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22846.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 45765690 is about 6765.0343679837. The cubic root of 45765690 is about 357.6953860475.

The spelling of 45765690 in words is "forty-five million, seven hundred sixty-five thousand, six hundred ninety".