45125647 has 6 divisors (see below), whose sum is σ = 51592488. Its totient is φ = 38663892.

The previous prime is 45125629. The next prime is 45125651. The reversal of 45125647 is 74652154.

It is not a de Polignac number, because 45125647 - 2⁷ = 45125519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45125347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16504 + ... + 19042.

It is an arithmetic number, because the mean of its divisors is an integer number (8598748).

Almost surely, 2^45125647 is an apocalyptic number.

45125647 is a deficient number, since it is larger than the sum of its proper divisors (6466841).

45125647 is an frugal number, since it uses more digits than its factorization.

45125647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 2546 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 45125647 is about 6717.5625787930. The cubic root of 45125647 is about 356.0200694615.

The spelling of 45125647 in words is "forty-five million, one hundred twenty-five thousand, six hundred forty-seven".