149145259 has 2 divisors, whose sum is σ = 149145260. Its totient is φ = 149145258.

The previous prime is 149145257. The next prime is 149145313. The reversal of 149145259 is 952541941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149145259 - 2¹ = 149145257 is a prime.

Together with 149145257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149145257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74572629 + 74572630.

It is an arithmetic number, because the mean of its divisors is an integer number (74572630).

Almost surely, 2^149145259 is an apocalyptic number.

149145259 is a deficient number, since it is larger than the sum of its proper divisors (1).

149145259 is an equidigital number, since it uses as much as digits as its factorization.

149145259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 40.

The square root of 149145259 is about 12212.5042067546. The cubic root of 149145259 is about 530.3181417317.

The spelling of 149145259 in words is "one hundred forty-nine million, one hundred forty-five thousand, two hundred fifty-nine".