149253179 has 2 divisors, whose sum is σ = 149253180. Its totient is φ = 149253178.

The previous prime is 149253157. The next prime is 149253197. The reversal of 149253179 is 971352941.

Together with next prime (149253197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149253179 is a prime.

It is a super-2 number, since 2×149253179² = 44553022883212082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149253779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74626589 + 74626590.

It is an arithmetic number, because the mean of its divisors is an integer number (74626590).

Almost surely, 2^149253179 is an apocalyptic number.

149253179 is a deficient number, since it is larger than the sum of its proper divisors (1).

149253179 is an equidigital number, since it uses as much as digits as its factorization.

149253179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 149253179 is about 12216.9218299865. The cubic root of 149253179 is about 530.4460218392.

The spelling of 149253179 in words is "one hundred forty-nine million, two hundred fifty-three thousand, one hundred seventy-nine".