155268601 has 2 divisors, whose sum is σ = 155268602. Its totient is φ = 155268600.

The previous prime is 155268563. The next prime is 155268629. The reversal of 155268601 is 106862551.

It is a happy number.

155268601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92621376 + 62647225 = 9624^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 155268601 - 2⁷ = 155268473 is a prime.

It is not a weakly prime, because it can be changed into another prime (155268661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77634300 + 77634301.

It is an arithmetic number, because the mean of its divisors is an integer number (77634301).

Almost surely, 2^155268601 is an apocalyptic number.

It is an amenable number.

155268601 is a deficient number, since it is larger than the sum of its proper divisors (1).

155268601 is an equidigital number, since it uses as much as digits as its factorization.

155268601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 155268601 is about 12460.6822044381. The cubic root of 155268601 is about 537.4786446176.

The spelling of 155268601 in words is "one hundred fifty-five million, two hundred sixty-eight thousand, six hundred one".