149032117 has 4 divisors (see below), whose sum is σ = 160496140. Its totient is φ = 137568096.

The previous prime is 149032099. The next prime is 149032123. The reversal of 149032117 is 711230941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711230941 = 5527 ⋅128683.

It can be written as a sum of positive squares in 2 ways, for example, as 36650916 + 112381201 = 6054^2 + 10601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149032117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149032127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731992 + ... + 5732017.

It is an arithmetic number, because the mean of its divisors is an integer number (40124035).

Almost surely, 2^149032117 is an apocalyptic number.

It is an amenable number.

149032117 is a deficient number, since it is larger than the sum of its proper divisors (11464023).

149032117 is a wasteful number, since it uses less digits than its factorization.

149032117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464022.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 149032117 is about 12207.8711084284. The cubic root of 149032117 is about 530.1840075452.

It can be divided in two parts, 14903 and 2117, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 149032117 in words is "one hundred forty-nine million, thirty-two thousand, one hundred seventeen".