45229745 has 16 divisors (see below), whose sum is σ = 60473088. Its totient is φ = 32192640.

The previous prime is 45229739. The next prime is 45229759. The reversal of 45229745 is 54792254.

It is a de Polignac number, because none of the positive numbers 2^k-45229745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45229699 and 45229708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6164 + ... + 11333.

It is an arithmetic number, because the mean of its divisors is an integer number (3779568).

Almost surely, 2^45229745 is an apocalyptic number.

It is an amenable number.

45229745 is a deficient number, since it is larger than the sum of its proper divisors (15243343).

45229745 is a wasteful number, since it uses less digits than its factorization.

45229745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560.

The product of its digits is 100800, while the sum is 38.

The square root of 45229745 is about 6725.3063127266. The cubic root of 45229745 is about 356.2936205949.

The spelling of 45229745 in words is "forty-five million, two hundred twenty-nine thousand, seven hundred forty-five".