149254757 has 2 divisors, whose sum is σ = 149254758. Its totient is φ = 149254756.

The previous prime is 149254723. The next prime is 149254759. The reversal of 149254757 is 757452941.

149254757 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 can be written as a sum of positive squares in only one way, i.e., 126540001 + 22714756 = 11249^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 149254757 - 2¹⁰ = 149253733 is a prime.

Together with 149254759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149254759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74627378 + 74627379.

It is an arithmetic number, because the mean of its divisors is an integer number (74627379).

Almost surely, 2^149254757 is an apocalyptic number.

It is an amenable number.

149254757 is a deficient number, since it is larger than the sum of its proper divisors (1).

149254757 is an equidigital number, since it uses as much as digits as its factorization.

149254757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 149254757 is about 12216.9864123686. The cubic root of 149254757 is about 530.4478912374.

The spelling of 149254757 in words is "one hundred forty-nine million, two hundred fifty-four thousand, seven hundred fifty-seven".