149174647 has 2 divisors, whose sum is σ = 149174648. Its totient is φ = 149174646.

The previous prime is 149174633. The next prime is 149174653. The reversal of 149174647 is 746471941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149174647 - 2¹¹ = 149172599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149174617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74587323 + 74587324.

It is an arithmetic number, because the mean of its divisors is an integer number (74587324).

Almost surely, 2^149174647 is an apocalyptic number.

149174647 is a deficient number, since it is larger than the sum of its proper divisors (1).

149174647 is an equidigital number, since it uses as much as digits as its factorization.

149174647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 149174647 is about 12213.7073405252. The cubic root of 149174647 is about 530.3529712353.

The spelling of 149174647 in words is "one hundred forty-nine million, one hundred seventy-four thousand, six hundred forty-seven".