307161156 has 48 divisors (see below), whose sum is σ = 744387840. Its totient is φ = 98461440.

The previous prime is 307161137. The next prime is 307161157. The reversal of 307161156 is 651161703.

307161156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (307161157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92680 + ... + 95936.

It is an arithmetic number, because the mean of its divisors is an integer number (15508080).

Almost surely, 2^307161156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307161156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372193920).

307161156 is an abundant number, since it is smaller than the sum of its proper divisors (437226684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307161156 is a wasteful number, since it uses less digits than its factorization.

307161156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 307161156 is about 17526.0136939351. The cubic root of 307161156 is about 674.7176915475.

The spelling of 307161156 in words is "three hundred seven million, one hundred sixty-one thousand, one hundred fifty-six".