30465157 has 8 divisors (see below), whose sum is σ = 31543040. Its totient is φ = 29393280.

The previous prime is 30465143. The next prime is 30465187. The reversal of 30465157 is 75156403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30465157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30465107) 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, 10453 + ... + 13045.

It is an arithmetic number, because the mean of its divisors is an integer number (3942880).

Almost surely, 2^30465157 is an apocalyptic number.

It is an amenable number.

30465157 is a deficient number, since it is larger than the sum of its proper divisors (1077883).

30465157 is a wasteful number, since it uses less digits than its factorization.

30465157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 30465157 is about 5519.5250701487. The cubic root of 30465157 is about 312.3209666769.

The spelling of 30465157 in words is "thirty million, four hundred sixty-five thousand, one hundred fifty-seven".