149662757 has 2 divisors, whose sum is σ = 149662758. Its totient is φ = 149662756.

The previous prime is 149662741. The next prime is 149662783. The reversal of 149662757 is 757266941.

149662757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 44169316 = 10271^2 + 6646^2 .

It is an emirp because it is prime and its reverse (757266941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149662757 - 2⁴ = 149662741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149662787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74831378 + 74831379.

It is an arithmetic number, because the mean of its divisors is an integer number (74831379).

Almost surely, 2^149662757 is an apocalyptic number.

It is an amenable number.

149662757 is a deficient number, since it is larger than the sum of its proper divisors (1).

149662757 is an equidigital number, since it uses as much as digits as its factorization.

149662757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 149662757 is about 12233.6730788427. The cubic root of 149662757 is about 530.9307922849.

The spelling of 149662757 in words is "one hundred forty-nine million, six hundred sixty-two thousand, seven hundred fifty-seven".