45375945 has 16 divisors (see below), whose sum is σ = 72686592. Its totient is φ = 24172160.

The previous prime is 45375943. The next prime is 45375947. The reversal of 45375945 is 54957354.

It is an interprime number because it is at equal distance from previous prime (45375943) and next prime (45375947).

It is not a de Polignac number, because 45375945 - 2¹ = 45375943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45375897 and 45375906.

It is not an unprimeable number, because it can be changed into a prime (45375943) 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, 20440 + ... + 22550.

It is an arithmetic number, because the mean of its divisors is an integer number (4542912).

Almost surely, 2^45375945 is an apocalyptic number.

It is an amenable number.

45375945 is a deficient number, since it is larger than the sum of its proper divisors (27310647).

45375945 is a wasteful number, since it uses less digits than its factorization.

45375945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552.

The product of its digits is 378000, while the sum is 42.

The square root of 45375945 is about 6736.1669367675. The cubic root of 45375945 is about 356.6771005575.

The spelling of 45375945 in words is "forty-five million, three hundred seventy-five thousand, nine hundred forty-five".