45457651 has 4 divisors (see below), whose sum is σ = 45619704. Its totient is φ = 45295600.

The previous prime is 45457649. The next prime is 45457667. The reversal of 45457651 is 15675454.

It is a happy number.

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 45457651 - 2¹ = 45457649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45457651.

It is not an unprimeable number, because it can be changed into a prime (45457051) 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, 80605 + ... + 81166.

It is an arithmetic number, because the mean of its divisors is an integer number (11404926).

Almost surely, 2^45457651 is an apocalyptic number.

45457651 is a deficient number, since it is larger than the sum of its proper divisors (162053).

45457651 is a wasteful number, since it uses less digits than its factorization.

45457651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162052.

The product of its digits is 84000, while the sum is 37.

The square root of 45457651 is about 6742.2289341137. The cubic root of 45457651 is about 356.8910552185.

The spelling of 45457651 in words is "forty-five million, four hundred fifty-seven thousand, six hundred fifty-one".