45521555402 has 8 divisors (see below), whose sum is σ = 68565663012. Its totient is φ = 22666334400.

The previous prime is 45521555393. The next prime is 45521555419. The reversal of 45521555402 is 20455512554.

It can be written as a sum of positive squares in 2 ways, for example, as 36085181521 + 9436373881 = 189961^2 + 97141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 47221049 + ... + 47222012.

Almost surely, 2^45521555402 is an apocalyptic number.

45521555402 is a deficient number, since it is larger than the sum of its proper divisors (23044107610).

45521555402 is a wasteful number, since it uses less digits than its factorization.

45521555402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94443304.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 45521555402 in words is "forty-five billion, five hundred twenty-one million, five hundred fifty-five thousand, four hundred two".