45785922 has 32 divisors (see below), whose sum is σ = 112705152. Its totient is φ = 12075264.

The previous prime is 45785911. The next prime is 45785923. The reversal of 45785922 is 22958754.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (45785923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41383 + ... + 42474.

It is an arithmetic number, because the mean of its divisors is an integer number (3522036).

Almost surely, 2^45785922 is an apocalyptic number.

45785922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45785922 is an abundant number, since it is smaller than the sum of its proper divisors (66919230).

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

45785922 is a wasteful number, since it uses less digits than its factorization.

45785922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83882.

The product of its digits is 201600, while the sum is 42.

The square root of 45785922 is about 6766.5295388404. The cubic root of 45785922 is about 357.7480880235.

The spelling of 45785922 in words is "forty-five million, seven hundred eighty-five thousand, nine hundred twenty-two".