149562701 has 2 divisors, whose sum is σ = 149562702. Its totient is φ = 149562700.

The previous prime is 149562697. The next prime is 149562709. The reversal of 149562701 is 107265941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115047076 + 34515625 = 10726^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 149562701 - 2² = 149562697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149562709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74781350 + 74781351.

It is an arithmetic number, because the mean of its divisors is an integer number (74781351).

Almost surely, 2^149562701 is an apocalyptic number.

It is an amenable number.

149562701 is a deficient number, since it is larger than the sum of its proper divisors (1).

149562701 is an equidigital number, since it uses as much as digits as its factorization.

149562701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 149562701 is about 12229.5830264159. The cubic root of 149562701 is about 530.8124492067.

The spelling of 149562701 in words is "one hundred forty-nine million, five hundred sixty-two thousand, seven hundred one".