149996634 has 16 divisors (see below), whose sum is σ = 302907072. Its totient is φ = 49513248.

The previous prime is 149996633. The next prime is 149996641. The reversal of 149996634 is 436699941.

It is a super-2 number, since 2×149996634² = 44997980422659912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149996633) 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, 120739 + ... + 121974.

It is an arithmetic number, because the mean of its divisors is an integer number (18931692).

Almost surely, 2^149996634 is an apocalyptic number.

149996634 is an abundant number, since it is smaller than the sum of its proper divisors (152910438).

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

149996634 is a wasteful number, since it uses less digits than its factorization.

149996634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242821.

The product of its digits is 1259712, while the sum is 51.

The square root of 149996634 is about 12247.3112967704. The cubic root of 149996634 is about 531.3253102185.

The spelling of 149996634 in words is "one hundred forty-nine million, nine hundred ninety-six thousand, six hundred thirty-four".