149351165 has 8 divisors (see below), whose sum is σ = 179555928. Its totient is φ = 119257920.

The previous prime is 149351143. The next prime is 149351177. The reversal of 149351165 is 561153941.

It can be written as a sum of positive squares in 4 ways, for example, as 15578809 + 133772356 = 3947^2 + 11566^2 .

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

It is not a de Polignac number, because 149351165 - 2⁸ = 149350909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24902 + ... + 30311.

It is an arithmetic number, because the mean of its divisors is an integer number (22444491).

Almost surely, 2^149351165 is an apocalyptic number.

It is an amenable number.

149351165 is a deficient number, since it is larger than the sum of its proper divisors (30204763).

149351165 is an equidigital number, since it uses as much as digits as its factorization.

149351165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55759.

The product of its digits is 16200, while the sum is 35.

The square root of 149351165 is about 12220.9314293142. The cubic root of 149351165 is about 530.5620772427.

The spelling of 149351165 in words is "one hundred forty-nine million, three hundred fifty-one thousand, one hundred sixty-five".