45429225 has 24 divisors (see below), whose sum is σ = 77703360. Its totient is φ = 23392320.

The previous prime is 45429211. The next prime is 45429239. The reversal of 45429225 is 52292454.

It is an interprime number because it is at equal distance from previous prime (45429211) and next prime (45429239).

It is not a de Polignac number, because 45429225 - 2⁵ = 45429193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8269 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (3237640).

Almost surely, 2^45429225 is an apocalyptic number.

It is an amenable number.

45429225 is a deficient number, since it is larger than the sum of its proper divisors (32274135).

45429225 is a wasteful number, since it uses less digits than its factorization.

45429225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20929 (or 20924 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 45429225 is about 6740.1205478834. The cubic root of 45429225 is about 356.8166482316.

It can be divided in two parts, 45429 and 225, that added together give a palindrome (45654).

The spelling of 45429225 in words is "forty-five million, four hundred twenty-nine thousand, two hundred twenty-five".