45442107 has 8 divisors (see below), whose sum is σ = 67321680. Its totient is φ = 30294720.

The previous prime is 45442097. The next prime is 45442109. The reversal of 45442107 is 70124454.

It is not a de Polignac number, because 45442107 - 2¹⁰ = 45441083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1683041 = 45442107 / (4 + 5 + 4 + 4 + 2 + 1 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (45442109) 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, 841494 + ... + 841547.

It is an arithmetic number, because the mean of its divisors is an integer number (8415210).

Almost surely, 2^45442107 is an apocalyptic number.

45442107 is a deficient number, since it is larger than the sum of its proper divisors (21879573).

45442107 is a wasteful number, since it uses less digits than its factorization.

45442107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683050 (or 1683044 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 45442107 is about 6741.0761010391. The cubic root of 45442107 is about 356.8503715868.

The spelling of 45442107 in words is "forty-five million, four hundred forty-two thousand, one hundred seven".