230466157 has 4 divisors (see below), whose sum is σ = 230671420. Its totient is φ = 230260896.

The previous prime is 230466151. The next prime is 230466191. The reversal of 230466157 is 751664032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15139881 + 215326276 = 3891^2 + 14674^2 .

It is a cyclic number.

It is not a de Polignac number, because 230466157 - 2³ = 230466149 is a prime.

It is a super-2 number, since 2×230466157² = 106229299044697298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230466151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100938 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (57667855).

Almost surely, 2^230466157 is an apocalyptic number.

It is an amenable number.

230466157 is a deficient number, since it is larger than the sum of its proper divisors (205263).

230466157 is a wasteful number, since it uses less digits than its factorization.

230466157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205262.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 230466157 is about 15181.1118499272. Note that the first 3 decimals coincide. The cubic root of 230466157 is about 613.1062170740.

The spelling of 230466157 in words is "two hundred thirty million, four hundred sixty-six thousand, one hundred fifty-seven".