45642344 has 32 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 20688000.

The previous prime is 45642319. The next prime is 45642347. The reversal of 45642344 is 44324654.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45642344.

It is not an unprimeable number, because it can be changed into a prime (45642347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52457 + ... + 53319.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 2^45642344 is an apocalyptic number.

45642344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45642344 is an abundant number, since it is smaller than the sum of its proper divisors (47980696).

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

45642344 is a wasteful number, since it uses less digits than its factorization.

45642344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1477 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 45642344 is about 6755.9117815436. The cubic root of 45642344 is about 357.3737477804.

Adding to 45642344 its reverse (44324654), we get a palindrome (89966998).

The spelling of 45642344 in words is "forty-five million, six hundred forty-two thousand, three hundred forty-four".