30214157 has 8 divisors (see below), whose sum is σ = 31593984. Its totient is φ = 28839888.

The previous prime is 30214139. The next prime is 30214183. The reversal of 30214157 is 75141203.

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 30214157 - 2⁸ = 30213901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30214127) 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, 13028 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (3949248).

Almost surely, 2^30214157 is an apocalyptic number.

It is an amenable number.

30214157 is a deficient number, since it is larger than the sum of its proper divisors (1379827).

30214157 is a wasteful number, since it uses less digits than its factorization.

30214157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 30214157 is about 5496.7405796526. The cubic root of 30214157 is about 311.4608710653.

The spelling of 30214157 in words is "thirty million, two hundred fourteen thousand, one hundred fifty-seven".