149514831 has 6 divisors (see below), whose sum is σ = 215965880. Its totient is φ = 99676548.

The previous prime is 149514821. The next prime is 149514839. The reversal of 149514831 is 138415941.

It is not a de Polignac number, because 149514831 - 2¹³ = 149506639 is a prime.

It is a super-2 number, since 2×149514831² = 44709369377917122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149514839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8306371 + ... + 8306388.

Almost surely, 2^149514831 is an apocalyptic number.

149514831 is a deficient number, since it is larger than the sum of its proper divisors (66451049).

149514831 is a wasteful number, since it uses less digits than its factorization.

149514831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612765 (or 16612762 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 149514831 is about 12227.6257302880. The cubic root of 149514831 is about 530.7558114149.

The spelling of 149514831 in words is "one hundred forty-nine million, five hundred fourteen thousand, eight hundred thirty-one".