149724274 has 32 divisors (see below), whose sum is σ = 272724480. Its totient is φ = 60274368.

The previous prime is 149724271. The next prime is 149724283. The reversal of 149724274 is 472427941.

It is a happy number.

149724274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149724271) 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, 10039 + ... + 20005.

It is an arithmetic number, because the mean of its divisors is an integer number (8522640).

Almost surely, 2^149724274 is an apocalyptic number.

149724274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149724274 is a deficient number, since it is larger than the sum of its proper divisors (123000206).

149724274 is a wasteful number, since it uses less digits than its factorization.

149724274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042.

The product of its digits is 112896, while the sum is 40.

The square root of 149724274 is about 12236.1870695082. The cubic root of 149724274 is about 531.0035264690.

The spelling of 149724274 in words is "one hundred forty-nine million, seven hundred twenty-four thousand, two hundred seventy-four".