149731763 has 2 divisors, whose sum is σ = 149731764. Its totient is φ = 149731762.

The previous prime is 149731691. The next prime is 149731783. The reversal of 149731763 is 367137941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149731763 - 2²⁰ = 148683187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149731763.

It is not a weakly prime, because it can be changed into another prime (149731783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74865881 + 74865882.

It is an arithmetic number, because the mean of its divisors is an integer number (74865882).

Almost surely, 2^149731763 is an apocalyptic number.

149731763 is a deficient number, since it is larger than the sum of its proper divisors (1).

149731763 is an equidigital number, since it uses as much as digits as its factorization.

149731763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 149731763 is about 12236.4930842133. The cubic root of 149731763 is about 531.0123796741.

The spelling of 149731763 in words is "one hundred forty-nine million, seven hundred thirty-one thousand, seven hundred sixty-three".