149515162 has 4 divisors (see below), whose sum is σ = 224272746. Its totient is φ = 74757580.

The previous prime is 149515133. The next prime is 149515181. The reversal of 149515162 is 261515941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261515941 = 67 ⋅3903223.

It can be written as a sum of positive squares in only one way, i.e., 146385801 + 3129361 = 12099^2 + 1769^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37378789 + ... + 37378792.

Almost surely, 2^149515162 is an apocalyptic number.

149515162 is a deficient number, since it is larger than the sum of its proper divisors (74757584).

149515162 is an equidigital number, since it uses as much as digits as its factorization.

149515162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74757583.

The product of its digits is 10800, while the sum is 34.

The square root of 149515162 is about 12227.6392652057. The cubic root of 149515162 is about 530.7562030818.

The spelling of 149515162 in words is "one hundred forty-nine million, five hundred fifteen thousand, one hundred sixty-two".