149498417 has 2 divisors, whose sum is σ = 149498418. Its totient is φ = 149498416.

The previous prime is 149498411. The next prime is 149498443. The reversal of 149498417 is 714894941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86787856 + 62710561 = 9316^2 + 7919^2 .

It is a cyclic number.

It is not a de Polignac number, because 149498417 - 2²⁶ = 82389553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149498411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749208 + 74749209.

It is an arithmetic number, because the mean of its divisors is an integer number (74749209).

Almost surely, 2^149498417 is an apocalyptic number.

It is an amenable number.

149498417 is a deficient number, since it is larger than the sum of its proper divisors (1).

149498417 is an equidigital number, since it uses as much as digits as its factorization.

149498417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 149498417 is about 12226.9545267822. The cubic root of 149498417 is about 530.7363882699.

The spelling of 149498417 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, four hundred seventeen".