307149 has 8 divisors (see below), whose sum is σ = 419232. Its totient is φ = 199920.

The previous prime is 307147. The next prime is 307163. The reversal of 307149 is 941703.

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

It is not a de Polignac number, because 307149 - 2¹ = 307147 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307147) 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, 1062 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (52404).

2³⁰⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

307149 is a deficient number, since it is larger than the sum of its proper divisors (112083).

307149 is a wasteful number, since it uses less digits than its factorization.

307149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 307149 is about 554.2102489128. The cubic root of 307149 is about 67.4708790708.

The spelling of 307149 in words is "three hundred seven thousand, one hundred forty-nine".