149277673 has 2 divisors, whose sum is σ = 149277674. Its totient is φ = 149277672.

The previous prime is 149277643. The next prime is 149277707. The reversal of 149277673 is 376772941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110502144 + 38775529 = 10512^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 149277673 - 2²¹ = 147180521 is a prime.

It is not a weakly prime, because it can be changed into another prime (149277643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74638836 + 74638837.

It is an arithmetic number, because the mean of its divisors is an integer number (74638837).

Almost surely, 2^149277673 is an apocalyptic number.

It is an amenable number.

149277673 is a deficient number, since it is larger than the sum of its proper divisors (1).

149277673 is an equidigital number, since it uses as much as digits as its factorization.

149277673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The square root of 149277673 is about 12217.9242508701. The cubic root of 149277673 is about 530.4750374895.

The spelling of 149277673 in words is "one hundred forty-nine million, two hundred seventy-seven thousand, six hundred seventy-three".