149872274 has 16 divisors (see below), whose sum is σ = 231773400. Its totient is φ = 72630144.

The previous prime is 149872271. The next prime is 149872277. The reversal of 149872274 is 472278941.

It is an interprime number because it is at equal distance from previous prime (149872271) and next prime (149872277).

It can be written as a sum of positive squares in 4 ways, for example, as 113571649 + 36300625 = 10657^2 + 6025^2 .

It is not an unprimeable number, because it can be changed into a prime (149872271) 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, 16142 + ... + 23670.

Almost surely, 2^149872274 is an apocalyptic number.

149872274 is a deficient number, since it is larger than the sum of its proper divisors (81901126).

149872274 is a wasteful number, since it uses less digits than its factorization.

149872274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its digits is 225792, while the sum is 44.

The square root of 149872274 is about 12242.2332113059. The cubic root of 149872274 is about 531.1784316231.

The spelling of 149872274 in words is "one hundred forty-nine million, eight hundred seventy-two thousand, two hundred seventy-four".