45915556 has 6 divisors (see below), whose sum is σ = 80352230. Its totient is φ = 22957776.

The previous prime is 45915553. The next prime is 45915559. The reversal of 45915556 is 65551954.

It is an interprime number because it is at equal distance from previous prime (45915553) and next prime (45915559).

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 12460900 = 5784^2 + 3530^2 .

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 as a sum of consecutive naturals, namely, 5739441 + ... + 5739448.

Almost surely, 2^45915556 is an apocalyptic number.

It is an amenable number.

45915556 is a deficient number, since it is larger than the sum of its proper divisors (34436674).

45915556 is a wasteful number, since it uses less digits than its factorization.

45915556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478893 (or 11478891 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The square root of 45915556 is about 6776.1018292231. The cubic root of 45915556 is about 358.0854014291.

The spelling of 45915556 in words is "forty-five million, nine hundred fifteen thousand, five hundred fifty-six".