18301157 has 12 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 15568056.

The previous prime is 18301147. The next prime is 18301177. The reversal of 18301157 is 75110381.

It is not a de Polignac number, because 18301157 - 2¹⁰ = 18300133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18301147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5468 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^18301157 is an apocalyptic number.

It is an amenable number.

18301157 is a deficient number, since it is larger than the sum of its proper divisors (3149083).

18301157 is a wasteful number, since it uses less digits than its factorization.

18301157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 18301157 is about 4277.9851565895. The cubic root of 18301157 is about 263.5276457545.

The spelling of 18301157 in words is "eighteen million, three hundred one thousand, one hundred fifty-seven".