149801963 has 2 divisors, whose sum is σ = 149801964. Its totient is φ = 149801962.

The previous prime is 149801957. The next prime is 149801983. The reversal of 149801963 is 369108941.

It is a weak prime.

It is an emirp because it is prime and its reverse (369108941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149801963 - 2¹⁰ = 149800939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149801963.

It is not a weakly prime, because it can be changed into another prime (149801923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74900981 + 74900982.

It is an arithmetic number, because the mean of its divisors is an integer number (74900982).

Almost surely, 2^149801963 is an apocalyptic number.

149801963 is a deficient number, since it is larger than the sum of its proper divisors (1).

149801963 is an equidigital number, since it uses as much as digits as its factorization.

149801963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 149801963 is about 12239.3612169917. The cubic root of 149801963 is about 531.0953530397.

The spelling of 149801963 in words is "one hundred forty-nine million, eight hundred one thousand, nine hundred sixty-three".