45179521 has 8 divisors (see below), whose sum is σ = 47211264. Its totient is φ = 43153440.

The previous prime is 45179503. The next prime is 45179527. The reversal of 45179521 is 12597154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45179521 - 2⁹ = 45179009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45179527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29640 + ... + 31126.

It is an arithmetic number, because the mean of its divisors is an integer number (5901408).

Almost surely, 2^45179521 is an apocalyptic number.

It is an amenable number.

45179521 is a deficient number, since it is larger than the sum of its proper divisors (2031743).

45179521 is a wasteful number, since it uses less digits than its factorization.

45179521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its digits is 12600, while the sum is 34.

The square root of 45179521 is about 6721.5713192675. The cubic root of 45179521 is about 356.1616932658.

The spelling of 45179521 in words is "forty-five million, one hundred seventy-nine thousand, five hundred twenty-one".