45487078452 has 36 divisors (see below), whose sum is σ = 114999880996. Its totient is φ = 15159899520.

The previous prime is 45487078451. The next prime is 45487078477. The reversal of 45487078452 is 25487078454.

45487078452 is a `hidden beast` number, since 4 + 54 + 8 + 70 + 78 + 452 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21002965776 + 24484112676 = 144924^2 + 156474^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45487078451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129678 + ... + 328314.

Almost surely, 2^45487078452 is an apocalyptic number.

It is an amenable number.

45487078452 is an abundant number, since it is smaller than the sum of its proper divisors (69512802544).

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

45487078452 is a wasteful number, since it uses less digits than its factorization.

45487078452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205008 (or 205003 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 54.

The spelling of 45487078452 in words is "forty-five billion, four hundred eighty-seven million, seventy-eight thousand, four hundred fifty-two".