155068957 has 2 divisors, whose sum is σ = 155068958. Its totient is φ = 155068956.

The previous prime is 155068943. The next prime is 155068993. The reversal of 155068957 is 759860551.

155068957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100220121 + 54848836 = 10011^2 + 7406^2 .

It is a cyclic number.

It is not a de Polignac number, because 155068957 - 2²³ = 146680349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155068157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77534478 + 77534479.

It is an arithmetic number, because the mean of its divisors is an integer number (77534479).

Almost surely, 2^155068957 is an apocalyptic number.

It is an amenable number.

155068957 is a deficient number, since it is larger than the sum of its proper divisors (1).

155068957 is an equidigital number, since it uses as much as digits as its factorization.

155068957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 46.

The square root of 155068957 is about 12452.6686698073. The cubic root of 155068957 is about 537.2481828902.

It can be divided in two parts, 155068 and 957, that added together give a square (156025 = 395²).

The spelling of 155068957 in words is "one hundred fifty-five million, sixty-eight thousand, nine hundred fifty-seven".