149911860 has 48 divisors (see below), whose sum is σ = 479719296. Its totient is φ = 34265472.

The previous prime is 149911859. The next prime is 149911891. The reversal of 149911860 is 68119941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178047 + ... + 178886.

It is an arithmetic number, because the mean of its divisors is an integer number (9994152).

Almost surely, 2^149911860 is an apocalyptic number.

149911860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149911860 is an abundant number, since it is smaller than the sum of its proper divisors (329807436).

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

149911860 is a wasteful number, since it uses less digits than its factorization.

149911860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356952 (or 356950 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 149911860 is about 12243.8498847381. The cubic root of 149911860 is about 531.2251945050.

The spelling of 149911860 in words is "one hundred forty-nine million, nine hundred eleven thousand, eight hundred sixty".