149049259 has 2 divisors, whose sum is σ = 149049260. Its totient is φ = 149049258.

The previous prime is 149049211. The next prime is 149049293. The reversal of 149049259 is 952940941.

It is a strong prime.

It is an emirp because it is prime and its reverse (952940941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149049259 - 2²¹ = 146952107 is a prime.

It is equal to p_8393974 and since 149049259 and 8393974 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (149049059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74524629 + 74524630.

It is an arithmetic number, because the mean of its divisors is an integer number (74524630).

Almost surely, 2^149049259 is an apocalyptic number.

149049259 is a deficient number, since it is larger than the sum of its proper divisors (1).

149049259 is an equidigital number, since it uses as much as digits as its factorization.

149049259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 149049259 is about 12208.5731762561. The cubic root of 149049259 is about 530.2043344072.

The spelling of 149049259 in words is "one hundred forty-nine million, forty-nine thousand, two hundred fifty-nine".