149238115 has 8 divisors (see below), whose sum is σ = 192861648. Its totient is φ = 110206560.

The previous prime is 149238097. The next prime is 149238127. The reversal of 149238115 is 511832941.

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

It is not a de Polignac number, because 149238115 - 2¹⁷ = 149107043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1147921 + ... + 1148050.

It is an arithmetic number, because the mean of its divisors is an integer number (24107706).

Almost surely, 2^149238115 is an apocalyptic number.

149238115 is a deficient number, since it is larger than the sum of its proper divisors (43623533).

149238115 is a wasteful number, since it uses less digits than its factorization.

149238115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295989.

The product of its digits is 8640, while the sum is 34.

The square root of 149238115 is about 12216.3052925179. The cubic root of 149238115 is about 530.4281754125.

The spelling of 149238115 in words is "one hundred forty-nine million, two hundred thirty-eight thousand, one hundred fifteen".