149911509472 has 48 divisors (see below), whose sum is σ = 300277469520. Its totient is φ = 73656050688.

The previous prime is 149911509457. The next prime is 149911509509. The reversal of 149911509472 is 274905119941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791418 + ... + 962374.

It is an arithmetic number, because the mean of its divisors is an integer number (6255780615).

Almost surely, 2^149911509472 is an apocalyptic number.

It is an amenable number.

149911509472 is an abundant number, since it is smaller than the sum of its proper divisors (150365960048).

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

149911509472 is a wasteful number, since it uses less digits than its factorization.

149911509472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171443 (or 171435 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 149911509472 in words is "one hundred forty-nine billion, nine hundred eleven million, five hundred nine thousand, four hundred seventy-two".