45045147 has 16 divisors (see below), whose sum is σ = 68781312. Its totient is φ = 25687200.

The previous prime is 45045137. The next prime is 45045157. The reversal of 45045147 is 74154054.

It is an interprime number because it is at equal distance from previous prime (45045137) and next prime (45045157).

It is not a de Polignac number, because 45045147 - 2⁴ = 45045131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45045127) 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, 9772 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (4298832).

Almost surely, 2^45045147 is an apocalyptic number.

45045147 is a deficient number, since it is larger than the sum of its proper divisors (23736165).

45045147 is a wasteful number, since it uses less digits than its factorization.

45045147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 45045147 is about 6711.5681476090. The cubic root of 45045147 is about 355.8082411078.

The spelling of 45045147 in words is "forty-five million, forty-five thousand, one hundred forty-seven".