149615413 has 2 divisors, whose sum is σ = 149615414. Its totient is φ = 149615412.

The previous prime is 149615407. The next prime is 149615461. The reversal of 149615413 is 314516941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142635249 + 6980164 = 11943^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 149615413 - 2⁵ = 149615381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149615513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74807706 + 74807707.

It is an arithmetic number, because the mean of its divisors is an integer number (74807707).

Almost surely, 2^149615413 is an apocalyptic number.

It is an amenable number.

149615413 is a deficient number, since it is larger than the sum of its proper divisors (1).

149615413 is an equidigital number, since it uses as much as digits as its factorization.

149615413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 149615413 is about 12231.7379386578. The cubic root of 149615413 is about 530.8748018726.

The spelling of 149615413 in words is "one hundred forty-nine million, six hundred fifteen thousand, four hundred thirteen".