149847165 has 96 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 71974656.

The previous prime is 149847157. The next prime is 149847179. The reversal of 149847165 is 561748941.

It is not a de Polignac number, because 149847165 - 2³ = 149847157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149847165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 837046 + ... + 837224.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^149847165 is an apocalyptic number.

149847165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149847165 is a deficient number, since it is larger than the sum of its proper divisors (147351555).

149847165 is a wasteful number, since it uses less digits than its factorization.

149847165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 253 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 149847165 is about 12241.2076610112. The cubic root of 149847165 is about 531.1487661313.

The spelling of 149847165 in words is "one hundred forty-nine million, eight hundred forty-seven thousand, one hundred sixty-five".