235438157 has 2 divisors, whose sum is σ = 235438158. Its totient is φ = 235438156.

The previous prime is 235438127. The next prime is 235438169. The reversal of 235438157 is 751834532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218182441 + 17255716 = 14771^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 235438157 - 2¹⁰ = 235437133 is a prime.

It is a super-2 number, since 2×235438157² = 110862251543113298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235438157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235438127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117719078 + 117719079.

It is an arithmetic number, because the mean of its divisors is an integer number (117719079).

Almost surely, 2^235438157 is an apocalyptic number.

It is an amenable number.

235438157 is a deficient number, since it is larger than the sum of its proper divisors (1).

235438157 is an equidigital number, since it uses as much as digits as its factorization.

235438157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 235438157 is about 15343.9941671000. The cubic root of 235438157 is about 617.4838687345.

The spelling of 235438157 in words is "two hundred thirty-five million, four hundred thirty-eight thousand, one hundred fifty-seven".