149767447 has 2 divisors, whose sum is σ = 149767448. Its totient is φ = 149767446.

The previous prime is 149767411. The next prime is 149767451. The reversal of 149767447 is 744767941.

It is a happy number.

149767447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149767447 - 2²⁷ = 15549719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149767447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149762447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74883723 + 74883724.

It is an arithmetic number, because the mean of its divisors is an integer number (74883724).

Almost surely, 2^149767447 is an apocalyptic number.

149767447 is a deficient number, since it is larger than the sum of its proper divisors (1).

149767447 is an equidigital number, since it uses as much as digits as its factorization.

149767447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 149767447 is about 12237.9510948524. The cubic root of 149767447 is about 531.0545598597.

The spelling of 149767447 in words is "one hundred forty-nine million, seven hundred sixty-seven thousand, four hundred forty-seven".