149146836 has 12 divisors (see below), whose sum is σ = 348009312. Its totient is φ = 49715608.

The previous prime is 149146819. The next prime is 149146883. The reversal of 149146836 is 638641941.

149146836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6214440 + ... + 6214463.

It is an arithmetic number, because the mean of its divisors is an integer number (29000776).

Almost surely, 2^149146836 is an apocalyptic number.

It is an amenable number.

149146836 is an abundant number, since it is smaller than the sum of its proper divisors (198862476).

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

149146836 is a wasteful number, since it uses less digits than its factorization.

149146836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428910 (or 12428908 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 149146836 is about 12212.5687715566. The cubic root of 149146836 is about 530.3200108463.

The spelling of 149146836 in words is "one hundred forty-nine million, one hundred forty-six thousand, eight hundred thirty-six".