149863963 has 16 divisors (see below), whose sum is σ = 161118720. Its totient is φ = 138977856.

The previous prime is 149863957. The next prime is 149863997. The reversal of 149863963 is 369368941.

It is a de Polignac number, because none of the positive numbers 2^k-149863963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149863943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231306 + ... + 231952.

It is an arithmetic number, because the mean of its divisors is an integer number (10069920).

Almost surely, 2^149863963 is an apocalyptic number.

149863963 is a deficient number, since it is larger than the sum of its proper divisors (11254757).

149863963 is a wasteful number, since it uses less digits than its factorization.

149863963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 839808, while the sum is 49.

The square root of 149863963 is about 12241.8937668973. The cubic root of 149863963 is about 531.1686128055.

The spelling of 149863963 in words is "one hundred forty-nine million, eight hundred sixty-three thousand, nine hundred sixty-three".