45523207 has 4 divisors (see below), whose sum is σ = 45569160. Its totient is φ = 45477256.

The previous prime is 45523199. The next prime is 45523223. The reversal of 45523207 is 70232554.

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 45523207 - 2³ = 45523199 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 (45523607) 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, 21457 + ... + 23482.

It is an arithmetic number, because the mean of its divisors is an integer number (11392290).

Almost surely, 2^45523207 is an apocalyptic number.

45523207 is a deficient number, since it is larger than the sum of its proper divisors (45953).

45523207 is a wasteful number, since it uses less digits than its factorization.

45523207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45952.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 45523207 is about 6747.0887796145. The cubic root of 45523207 is about 357.0625343250.

The spelling of 45523207 in words is "forty-five million, five hundred twenty-three thousand, two hundred seven".