45612172607 has 4 divisors (see below), whose sum is σ = 45801434976. Its totient is φ = 45422910240.

The previous prime is 45612172603. The next prime is 45612172649. The reversal of 45612172607 is 70627121654.

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 45612172607 - 2² = 45612172603 is a prime.

It is a super-2 number, since 2×45612172607² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612172601) 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, 94630823 + ... + 94631304.

It is an arithmetic number, because the mean of its divisors is an integer number (11450358744).

Almost surely, 2^45612172607 is an apocalyptic number.

45612172607 is a deficient number, since it is larger than the sum of its proper divisors (189262369).

45612172607 is a wasteful number, since it uses less digits than its factorization.

45612172607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189262368.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 45612172607 in words is "forty-five billion, six hundred twelve million, one hundred seventy-two thousand, six hundred seven".