149749081152 has 84 divisors (see below), whose sum is σ = 435504841968. Its totient is φ = 45378502400.

The previous prime is 149749081123. The next prime is 149749081159. The reversal of 149749081152 is 251180947941.

It is a junction number, because it is equal to n+sod(n) for n = 149749081095 and 149749081104.

It is not an unprimeable number, because it can be changed into a prime (149749081159) 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, 3199674 + ... + 3246137.

It is an arithmetic number, because the mean of its divisors is an integer number (5184581452).

Almost surely, 2^149749081152 is an apocalyptic number.

149749081152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149749081152 is an abundant number, since it is smaller than the sum of its proper divisors (285755760816).

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

149749081152 is a wasteful number, since it uses less digits than its factorization.

149749081152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445848 (or 6445827 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 149749081152 in words is "one hundred forty-nine billion, seven hundred forty-nine million, eighty-one thousand, one hundred fifty-two".