149937273 has 12 divisors (see below), whose sum is σ = 216778900. Its totient is φ = 99864576.

The previous prime is 149937251. The next prime is 149937383. The reversal of 149937273 is 372739941.

It can be written as a sum of positive squares in 2 ways, for example, as 137170944 + 12766329 = 11712^2 + 3573^2 .

It is not a de Polignac number, because 149937273 - 2¹³ = 149929081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149937673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3153 + ... + 17601.

Almost surely, 2^149937273 is an apocalyptic number.

It is an amenable number.

149937273 is a deficient number, since it is larger than the sum of its proper divisors (66841627).

149937273 is a wasteful number, since it uses less digits than its factorization.

149937273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15608 (or 15605 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 149937273 is about 12244.8876270875. The cubic root of 149937273 is about 531.2552105048.

The spelling of 149937273 in words is "one hundred forty-nine million, nine hundred thirty-seven thousand, two hundred seventy-three".