235157149 has 2 divisors, whose sum is σ = 235157150. Its totient is φ = 235157148.

The previous prime is 235157147. The next prime is 235157173. The reversal of 235157149 is 941751532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 23454649 = 14550^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 235157149 - 2¹ = 235157147 is a prime.

Together with 235157147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235157147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117578574 + 117578575.

It is an arithmetic number, because the mean of its divisors is an integer number (117578575).

Almost surely, 2^235157149 is an apocalyptic number.

It is an amenable number.

235157149 is a deficient number, since it is larger than the sum of its proper divisors (1).

235157149 is an equidigital number, since it uses as much as digits as its factorization.

235157149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 235157149 is about 15334.8344953573. The cubic root of 235157149 is about 617.2381042851.

The spelling of 235157149 in words is "two hundred thirty-five million, one hundred fifty-seven thousand, one hundred forty-nine".