45915557 has 8 divisors (see below), whose sum is σ = 48678912. Its totient is φ = 43232400.

The previous prime is 45915553. The next prime is 45915559. The reversal of 45915557 is 75551954.

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 45915557 - 2² = 45915553 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 (45915553) 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, 18869 + ... + 21162.

It is an arithmetic number, because the mean of its divisors is an integer number (6084864).

Almost surely, 2^45915557 is an apocalyptic number.

It is an amenable number.

45915557 is a deficient number, since it is larger than the sum of its proper divisors (2763355).

45915557 is a wasteful number, since it uses less digits than its factorization.

45915557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40099.

The product of its digits is 157500, while the sum is 41.

The square root of 45915557 is about 6776.1019030118. The cubic root of 45915557 is about 358.0854040287.

The spelling of 45915557 in words is "forty-five million, nine hundred fifteen thousand, five hundred fifty-seven".