45209931297148 has 12 divisors (see below), whose sum is σ = 79143176133112. Its totient is φ = 22597595259120.

The previous prime is 45209931297119. The next prime is 45209931297217. The reversal of 45209931297148 is 84179213990254.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45209931297148.

It is a congruent number.

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, 1842583563 + ... + 1842608098.

Almost surely, 2^{45209931297148} is an apocalyptic number.

It is an amenable number.

45209931297148 is a deficient number, since it is larger than the sum of its proper divisors (33933244835964).

45209931297148 is a wasteful number, since it uses less digits than its factorization.

45209931297148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685194732 (or 3685194730 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 45209931297148 in words is "forty-five trillion, two hundred nine billion, nine hundred thirty-one million, two hundred ninety-seven thousand, one hundred forty-eight".