45242630188 has 12 divisors (see below), whose sum is σ = 90485260432. Its totient is φ = 19389698640.

The previous prime is 45242630129. The next prime is 45242630203. The reversal of 45242630188 is 88103624254.

It is a happy number.

45242630188 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 807904083 + ... + 807904138.

Almost surely, 2^45242630188 is an apocalyptic number.

It is an amenable number.

45242630188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45242630188 is a wasteful number, since it uses less digits than its factorization.

45242630188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615808232 (or 1615808230 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 45242630188 in words is "forty-five billion, two hundred forty-two million, six hundred thirty thousand, one hundred eighty-eight".