45156740 has 12 divisors (see below), whose sum is σ = 94829196. Its totient is φ = 18062688.

The previous prime is 45156737. The next prime is 45156757. The reversal of 45156740 is 4765154.

It can be written as a sum of positive squares in 2 ways, for example, as 4605316 + 40551424 = 2146^2 + 6368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45156697 and 45156706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128899 + ... + 1128938.

It is an arithmetic number, because the mean of its divisors is an integer number (7902433).

Almost surely, 2^45156740 is an apocalyptic number.

It is an amenable number.

45156740 is an abundant number, since it is smaller than the sum of its proper divisors (49672456).

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

45156740 is a wasteful number, since it uses less digits than its factorization.

45156740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257846 (or 2257844 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 45156740 is about 6719.8764869602. The cubic root of 45156740 is about 356.1018203893.

The spelling of 45156740 in words is "forty-five million, one hundred fifty-six thousand, seven hundred forty".