45845394 has 32 divisors (see below), whose sum is σ = 109347840. Its totient is φ = 12528912.

The previous prime is 45845389. The next prime is 45845399. The reversal of 45845394 is 49354854.

It is an interprime number because it is at equal distance from previous prime (45845389) and next prime (45845399).

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 (45845399) 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, 22764 + ... + 24695.

It is an arithmetic number, because the mean of its divisors is an integer number (3417120).

Almost surely, 2^45845394 is an apocalyptic number.

45845394 is an abundant number, since it is smaller than the sum of its proper divisors (63502446).

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

45845394 is a wasteful number, since it uses less digits than its factorization.

45845394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47494.

The product of its digits is 345600, while the sum is 42.

The square root of 45845394 is about 6770.9226845386. The cubic root of 45845394 is about 357.9029157384.

The spelling of 45845394 in words is "forty-five million, eight hundred forty-five thousand, three hundred ninety-four".