149623331 has 16 divisors (see below), whose sum is σ = 176322048. Its totient is φ = 125172000.

The previous prime is 149623289. The next prime is 149623361. The reversal of 149623331 is 133326941.

It is a cyclic number.

It is not a de Polignac number, because 149623331 - 2¹⁰ = 149622307 is a prime.

It is a super-2 number, since 2×149623331² = 44774282359071122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149623361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51056 + ... + 53906.

It is an arithmetic number, because the mean of its divisors is an integer number (11020128).

Almost surely, 2^149623331 is an apocalyptic number.

149623331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149623331 is a deficient number, since it is larger than the sum of its proper divisors (26698717).

149623331 is a wasteful number, since it uses less digits than its factorization.

149623331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242.

The product of its digits is 11664, while the sum is 32.

The square root of 149623331 is about 12232.0616005643. The cubic root of 149623331 is about 530.8841667556.

The spelling of 149623331 in words is "one hundred forty-nine million, six hundred twenty-three thousand, three hundred thirty-one".