149268917 has 8 divisors (see below), whose sum is σ = 170776512. Its totient is φ = 127807200.

The previous prime is 149268913. The next prime is 149268923. The reversal of 149268917 is 719862941.

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

It is a cyclic number.

It is not a de Polignac number, because 149268917 - 2² = 149268913 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 (149268913) 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, 4184 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (21347064).

Almost surely, 2^149268917 is an apocalyptic number.

It is an amenable number.

149268917 is a deficient number, since it is larger than the sum of its proper divisors (21507595).

149268917 is an equidigital number, since it uses as much as digits as its factorization.

149268917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22939.

The product of its digits is 217728, while the sum is 47.

The square root of 149268917 is about 12217.5659196094. The cubic root of 149268917 is about 530.4646654757.

The spelling of 149268917 in words is "one hundred forty-nine million, two hundred sixty-eight thousand, nine hundred seventeen".