149740836 has 24 divisors (see below), whose sum is σ = 399309120. Its totient is φ = 42783072.

The previous prime is 149740831. The next prime is 149740849. The reversal of 149740836 is 638047941.

149740836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (149740831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891231 + ... + 891398.

It is an arithmetic number, because the mean of its divisors is an integer number (16637880).

Almost surely, 2^149740836 is an apocalyptic number.

It is an amenable number.

149740836 is an abundant number, since it is smaller than the sum of its proper divisors (249568284).

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

149740836 is a wasteful number, since it uses less digits than its factorization.

149740836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782643 (or 1782641 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 149740836 is about 12236.8638139026. The cubic root of 149740836 is about 531.0231050270.

The spelling of 149740836 in words is "one hundred forty-nine million, seven hundred forty thousand, eight hundred thirty-six".