149534731 has 8 divisors (see below), whose sum is σ = 162483200. Its totient is φ = 137094120.

The previous prime is 149534713. The next prime is 149534741. The reversal of 149534731 is 137435941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149534731 - 2²¹ = 147437579 is a prime.

It is a super-2 number, since 2×149534731² = 44721271550484722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149534711) 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 in 7 ways as a sum of consecutive naturals, for example, 126351 + ... + 127528.

It is an arithmetic number, because the mean of its divisors is an integer number (20310400).

Almost surely, 2^149534731 is an apocalyptic number.

149534731 is a deficient number, since it is larger than the sum of its proper divisors (12948469).

149534731 is a wasteful number, since it uses less digits than its factorization.

149534731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253929.

The product of its digits is 45360, while the sum is 37.

The square root of 149534731 is about 12228.4394343677. The cubic root of 149534731 is about 530.7793577347.

The spelling of 149534731 in words is "one hundred forty-nine million, five hundred thirty-four thousand, seven hundred thirty-one".