45147856 has 20 divisors (see below), whose sum is σ = 94203172. Its totient is φ = 20837376.

The previous prime is 45147853. The next prime is 45147859. The reversal of 45147856 is 65874154.

It is an interprime number because it is at equal distance from previous prime (45147853) and next prime (45147859).

It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 28987456 = 4020^2 + 5384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45147853) 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, 108321 + ... + 108736.

Almost surely, 2^45147856 is an apocalyptic number.

It is an amenable number.

45147856 is an abundant number, since it is smaller than the sum of its proper divisors (49055316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45147856 is a wasteful number, since it uses less digits than its factorization.

45147856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217078 (or 217072 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 45147856 is about 6719.2154303907. The cubic root of 45147856 is about 356.0784660605.

The spelling of 45147856 in words is "forty-five million, one hundred forty-seven thousand, eight hundred fifty-six".