45156500 has 24 divisors (see below), whose sum is σ = 98622888. Its totient is φ = 18062400.

The previous prime is 45156487. The next prime is 45156511. The reversal of 45156500 is 565154.

It can be written as a sum of positive squares in 4 ways, for example, as 14531344 + 30625156 = 3812^2 + 5534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45156500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44657 + ... + 45656.

It is an arithmetic number, because the mean of its divisors is an integer number (4109287).

Almost surely, 2^45156500 is an apocalyptic number.

It is an amenable number.

45156500 is an abundant number, since it is smaller than the sum of its proper divisors (53466388).

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

45156500 is a wasteful number, since it uses less digits than its factorization.

45156500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90332 (or 90320 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 45156500 is about 6719.8586294654. The cubic root of 45156500 is about 356.1011895157.

The spelling of 45156500 in words is "forty-five million, one hundred fifty-six thousand, five hundred".