149275479 has 8 divisors (see below), whose sum is σ = 202297072. Its totient is φ = 97885440.

The previous prime is 149275471. The next prime is 149275481. The reversal of 149275479 is 974572941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149275479 - 2³ = 149275471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149275471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407674 + ... + 408039.

It is an arithmetic number, because the mean of its divisors is an integer number (25287134).

Almost surely, 2^149275479 is an apocalyptic number.

149275479 is a deficient number, since it is larger than the sum of its proper divisors (53021593).

149275479 is an equidigital number, since it uses as much as digits as its factorization.

149275479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815777.

The product of its digits is 635040, while the sum is 48.

The square root of 149275479 is about 12217.8344644213. The cubic root of 149275479 is about 530.4724386014.

The spelling of 149275479 in words is "one hundred forty-nine million, two hundred seventy-five thousand, four hundred seventy-nine".