45806442 has 32 divisors (see below), whose sum is σ = 100224000. Its totient is φ = 13841520.

The previous prime is 45806419. The next prime is 45806443. The reversal of 45806442 is 24460854.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (45806443) 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, 29809 + ... + 31307.

It is an arithmetic number, because the mean of its divisors is an integer number (3132000).

Almost surely, 2^45806442 is an apocalyptic number.

45806442 is an abundant number, since it is smaller than the sum of its proper divisors (54417558).

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

45806442 is a wasteful number, since it uses less digits than its factorization.

45806442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 45806442 is about 6768.0456558744. The cubic root of 45806442 is about 357.8015243495.

The spelling of 45806442 in words is "forty-five million, eight hundred six thousand, four hundred forty-two".