233745157 has 2 divisors, whose sum is σ = 233745158. Its totient is φ = 233745156.

The previous prime is 233745143. The next prime is 233745173. The reversal of 233745157 is 751547332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233508961 + 236196 = 15281^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 233745157 - 2¹¹ = 233743109 is a prime.

It is equal to p_12836890 and since 233745157 and 12836890 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233745857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116872578 + 116872579.

It is an arithmetic number, because the mean of its divisors is an integer number (116872579).

Almost surely, 2^233745157 is an apocalyptic number.

It is an amenable number.

233745157 is a deficient number, since it is larger than the sum of its proper divisors (1).

233745157 is an equidigital number, since it uses as much as digits as its factorization.

233745157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 233745157 is about 15288.7264675643. The cubic root of 233745157 is about 616.0002292755. Note that the first 3 decimals are identical.

The spelling of 233745157 in words is "two hundred thirty-three million, seven hundred forty-five thousand, one hundred fifty-seven".