149415949 has 2 divisors, whose sum is σ = 149415950. Its totient is φ = 149415948.

The previous prime is 149415923. The next prime is 149415971. The reversal of 149415949 is 949514941.

149415949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 39312900 = 10493^2 + 6270^2 .

It is a cyclic number.

It is not a de Polignac number, because 149415949 - 2⁹ = 149415437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149415899 and 149415908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149415989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74707974 + 74707975.

It is an arithmetic number, because the mean of its divisors is an integer number (74707975).

Almost surely, 2^149415949 is an apocalyptic number.

It is an amenable number.

149415949 is a deficient number, since it is larger than the sum of its proper divisors (1).

149415949 is an equidigital number, since it uses as much as digits as its factorization.

149415949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 149415949 is about 12223.5816764155. The cubic root of 149415949 is about 530.6387800591.

The spelling of 149415949 in words is "one hundred forty-nine million, four hundred fifteen thousand, nine hundred forty-nine".