149498369 has 2 divisors, whose sum is σ = 149498370. Its totient is φ = 149498368.

The previous prime is 149498351. The next prime is 149498387. The reversal of 149498369 is 963894941.

It is a balanced prime because it is at equal distance from previous prime (149498351) and next prime (149498387).

It can be written as a sum of positive squares in only one way, i.e., 148474225 + 1024144 = 12185^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 149498369 - 2²⁴ = 132721153 is a prime.

It is a super-2 number, since 2×149498369² = 44699524667320322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 149498369.

It is not a weakly prime, because it can be changed into another prime (149498329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749184 + 74749185.

It is an arithmetic number, because the mean of its divisors is an integer number (74749185).

Almost surely, 2^149498369 is an apocalyptic number.

It is an amenable number.

149498369 is a deficient number, since it is larger than the sum of its proper divisors (1).

149498369 is an equidigital number, since it uses as much as digits as its factorization.

149498369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 53.

The square root of 149498369 is about 12226.9525639057. The cubic root of 149498369 is about 530.7363314681.

The spelling of 149498369 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, three hundred sixty-nine".