45621057 has 8 divisors (see below), whose sum is σ = 62790400. Its totient is φ = 29432880.

The previous prime is 45621049. The next prime is 45621073. The reversal of 45621057 is 75012654.

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

It is not a de Polignac number, because 45621057 - 2³ = 45621049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45621097) 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, 245182 + ... + 245367.

It is an arithmetic number, because the mean of its divisors is an integer number (7848800).

Almost surely, 2^45621057 is an apocalyptic number.

It is an amenable number.

45621057 is a deficient number, since it is larger than the sum of its proper divisors (17169343).

45621057 is a wasteful number, since it uses less digits than its factorization.

45621057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490583.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 45621057 is about 6754.3361627920. The cubic root of 45621057 is about 357.3181809735.

The spelling of 45621057 in words is "forty-five million, six hundred twenty-one thousand, fifty-seven".