155953459 has 2 divisors, whose sum is σ = 155953460. Its totient is φ = 155953458.

The previous prime is 155953439. The next prime is 155953481. The reversal of 155953459 is 954359551.

155953459 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 is a cyclic number.

It is not a de Polignac number, because 155953459 - 2⁹ = 155952947 is a prime.

It is not a weakly prime, because it can be changed into another prime (155953429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77976729 + 77976730.

It is an arithmetic number, because the mean of its divisors is an integer number (77976730).

Almost surely, 2^155953459 is an apocalyptic number.

155953459 is a deficient number, since it is larger than the sum of its proper divisors (1).

155953459 is an equidigital number, since it uses as much as digits as its factorization.

155953459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 607500, while the sum is 46.

The square root of 155953459 is about 12488.1327267130. The cubic root of 155953459 is about 538.2677216750.

The spelling of 155953459 in words is "one hundred fifty-five million, nine hundred fifty-three thousand, four hundred fifty-nine".