149232737 has 2 divisors, whose sum is σ = 149232738. Its totient is φ = 149232736.

The previous prime is 149232691. The next prime is 149232757. The reversal of 149232737 is 737232941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149059681 + 173056 = 12209^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 149232737 - 2⁶ = 149232673 is a prime.

It is a super-2 number, since 2×149232737² = 44540819585022338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149232737.

It is not a weakly prime, because it can be changed into another prime (149232757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74616368 + 74616369.

It is an arithmetic number, because the mean of its divisors is an integer number (74616369).

Almost surely, 2^149232737 is an apocalyptic number.

It is an amenable number.

149232737 is a deficient number, since it is larger than the sum of its proper divisors (1).

149232737 is an equidigital number, since it uses as much as digits as its factorization.

149232737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 149232737 is about 12216.0851748832. The cubic root of 149232737 is about 530.4218037673.

The spelling of 149232737 in words is "one hundred forty-nine million, two hundred thirty-two thousand, seven hundred thirty-seven".