149156194 has 32 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 63576000.

The previous prime is 149156191. The next prime is 149156197. The reversal of 149156194 is 491651941.

149156194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149156191) and next prime (149156197).

It is not an unprimeable number, because it can be changed into a prime (149156191) 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, 40452 + ... + 43984.

It is an arithmetic number, because the mean of its divisors is an integer number (8110530).

Almost surely, 2^149156194 is an apocalyptic number.

149156194 is a deficient number, since it is larger than the sum of its proper divisors (110380766).

149156194 is a wasteful number, since it uses less digits than its factorization.

149156194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its digits is 38880, while the sum is 40.

The square root of 149156194 is about 12212.9518954264. The cubic root of 149156194 is about 530.3311019987.

The spelling of 149156194 in words is "one hundred forty-nine million, one hundred fifty-six thousand, one hundred ninety-four".