149888836 has 6 divisors (see below), whose sum is σ = 262305470. Its totient is φ = 74944416.

The previous prime is 149888831. The next prime is 149888839. The reversal of 149888836 is 638888941.

It can be written as a sum of positive squares in only one way, i.e., 88172100 + 61716736 = 9390^2 + 7856^2 .

It is not an unprimeable number, because it can be changed into a prime (149888831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18736101 + ... + 18736108.

Almost surely, 2^149888836 is an apocalyptic number.

It is an amenable number.

149888836 is a deficient number, since it is larger than the sum of its proper divisors (112416634).

149888836 is a wasteful number, since it uses less digits than its factorization.

149888836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37472213 (or 37472211 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 149888836 is about 12242.9096214911. The cubic root of 149888836 is about 531.1979972904.

The spelling of 149888836 in words is "one hundred forty-nine million, eight hundred eighty-eight thousand, eight hundred thirty-six".