149074697 has 2 divisors, whose sum is σ = 149074698. Its totient is φ = 149074696.

The previous prime is 149074693. The next prime is 149074801. The reversal of 149074697 is 796470941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76807696 + 72267001 = 8764^2 + 8501^2 .

It is a cyclic number.

It is not a de Polignac number, because 149074697 - 2² = 149074693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149074693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74537348 + 74537349.

It is an arithmetic number, because the mean of its divisors is an integer number (74537349).

Almost surely, 2^149074697 is an apocalyptic number.

It is an amenable number.

149074697 is a deficient number, since it is larger than the sum of its proper divisors (1).

149074697 is an equidigital number, since it uses as much as digits as its factorization.

149074697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 149074697 is about 12209.6149406933. The cubic root of 149074697 is about 530.2344957349.

The spelling of 149074697 in words is "one hundred forty-nine million, seventy-four thousand, six hundred ninety-seven".