149418272 has 12 divisors (see below), whose sum is σ = 294167286. Its totient is φ = 74709120.

The previous prime is 149418271. The next prime is 149418277. The reversal of 149418272 is 272814941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78925456 + 70492816 = 8884^2 + 8396^2 .

It is not an unprimeable number, because it can be changed into a prime (149418271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2334629 + ... + 2334692.

Almost surely, 2^149418272 is an apocalyptic number.

It is an amenable number.

149418272 is a deficient number, since it is larger than the sum of its proper divisors (144749014).

149418272 is an equidigital number, since it uses as much as digits as its factorization.

149418272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669331 (or 4669323 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 149418272 is about 12223.6766972953. The cubic root of 149418272 is about 530.6415300277.

The spelling of 149418272 in words is "one hundred forty-nine million, four hundred eighteen thousand, two hundred seventy-two".