149634155 has 16 divisors (see below), whose sum is σ = 196992000. Its totient is φ = 108209760.

The previous prime is 149634131. The next prime is 149634157. The reversal of 149634155 is 551436941.

It is not a de Polignac number, because 149634155 - 2⁸ = 149633899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149634157) 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, 2246 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (12312000).

Almost surely, 2^149634155 is an apocalyptic number.

149634155 is a deficient number, since it is larger than the sum of its proper divisors (47357845).

149634155 is a wasteful number, since it uses less digits than its factorization.

149634155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15394.

The product of its digits is 64800, while the sum is 38.

The square root of 149634155 is about 12232.5040363778. The cubic root of 149634155 is about 530.8969681274.

The spelling of 149634155 in words is "one hundred forty-nine million, six hundred thirty-four thousand, one hundred fifty-five".