149650438 has 32 divisors (see below), whose sum is σ = 261817920. Its totient is φ = 62830080.

The previous prime is 149650433. The next prime is 149650447. The reversal of 149650438 is 834056941.

149650438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149650438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149650433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184578 + ... + 185386.

It is an arithmetic number, because the mean of its divisors is an integer number (8181810).

Almost surely, 2^149650438 is an apocalyptic number.

149650438 is a deficient number, since it is larger than the sum of its proper divisors (112167482).

149650438 is a wasteful number, since it uses less digits than its factorization.

149650438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 149650438 is about 12233.1695811020. The cubic root of 149650438 is about 530.9162246084.

The spelling of 149650438 in words is "one hundred forty-nine million, six hundred fifty thousand, four hundred thirty-eight".