45783690 has 16 divisors (see below), whose sum is σ = 109880928. Its totient is φ = 12208976.

The previous prime is 45783671. The next prime is 45783697. The reversal of 45783690 is 9638754.

It is a happy number.

45783690 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 2×45783690² = 4192292540032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45783697) 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 7 ways as a sum of consecutive naturals, for example, 763032 + ... + 763091.

It is an arithmetic number, because the mean of its divisors is an integer number (6867558).

Almost surely, 2^45783690 is an apocalyptic number.

45783690 is an abundant number, since it is smaller than the sum of its proper divisors (64097238).

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

45783690 is a wasteful number, since it uses less digits than its factorization.

45783690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526133.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 45783690 is about 6766.3646073797. The cubic root of 45783690 is about 357.7422746885.

The spelling of 45783690 in words is "forty-five million, seven hundred eighty-three thousand, six hundred ninety".