45571907 has 4 divisors (see below), whose sum is σ = 46023216. Its totient is φ = 45120600.

The previous prime is 45571879. The next prime is 45571909. The reversal of 45571907 is 70917554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45571907 - 2⁶ = 45571843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45571909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225503 + ... + 225704.

It is an arithmetic number, because the mean of its divisors is an integer number (11505804).

Almost surely, 2^45571907 is an apocalyptic number.

45571907 is a deficient number, since it is larger than the sum of its proper divisors (451309).

45571907 is a wasteful number, since it uses less digits than its factorization.

45571907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451308.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 45571907 is about 6750.6967788518. The cubic root of 45571907 is about 357.1898155474.

The spelling of 45571907 in words is "forty-five million, five hundred seventy-one thousand, nine hundred seven".