149193963 has 12 divisors (see below), whose sum is σ = 215707960. Its totient is φ = 99367776.

The previous prime is 149193937. The next prime is 149193973. The reversal of 149193963 is 369391941.

It is not a de Polignac number, because 149193963 - 2⁵ = 149193931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149193973) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2820 + ... + 17502.

Almost surely, 2^149193963 is an apocalyptic number.

149193963 is a deficient number, since it is larger than the sum of its proper divisors (66513997).

149193963 is a wasteful number, since it uses less digits than its factorization.

149193963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15818 (or 15815 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 149193963 is about 12214.4980658233. The cubic root of 149193963 is about 530.3758613087.

The spelling of 149193963 in words is "one hundred forty-nine million, one hundred ninety-three thousand, nine hundred sixty-three".