155426357 has 2 divisors, whose sum is σ = 155426358. Its totient is φ = 155426356.

The previous prime is 155426351. The next prime is 155426423. The reversal of 155426357 is 753624551.

It is a happy number.

155426357 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., 100681156 + 54745201 = 10034^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 155426357 - 2²⁴ = 138649141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155426357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155426351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77713178 + 77713179.

It is an arithmetic number, because the mean of its divisors is an integer number (77713179).

Almost surely, 2^155426357 is an apocalyptic number.

It is an amenable number.

155426357 is a deficient number, since it is larger than the sum of its proper divisors (1).

155426357 is an equidigital number, since it uses as much as digits as its factorization.

155426357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 155426357 is about 12467.0107483711. The cubic root of 155426357 is about 537.6606126833.

The spelling of 155426357 in words is "one hundred fifty-five million, four hundred twenty-six thousand, three hundred fifty-seven".