149385563 has 2 divisors, whose sum is σ = 149385564. Its totient is φ = 149385562.

The previous prime is 149385553. The next prime is 149385601. The reversal of 149385563 is 365583941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149385563 - 2⁶ = 149385499 is a prime.

It is not a weakly prime, because it can be changed into another prime (149385553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74692781 + 74692782.

It is an arithmetic number, because the mean of its divisors is an integer number (74692782).

Almost surely, 2^149385563 is an apocalyptic number.

149385563 is a deficient number, since it is larger than the sum of its proper divisors (1).

149385563 is an equidigital number, since it uses as much as digits as its factorization.

149385563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 149385563 is about 12222.3386878289. The cubic root of 149385563 is about 530.6028064717.

The spelling of 149385563 in words is "one hundred forty-nine million, three hundred eighty-five thousand, five hundred sixty-three".