154553902057 has 2 divisors, whose sum is σ = 154553902058. Its totient is φ = 154553902056.

The previous prime is 154553902031. The next prime is 154553902067. The reversal of 154553902057 is 750209355451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154169310736 + 384591321 = 392644^2 + 19611^2 .

It is a cyclic number.

It is not a de Polignac number, because 154553902057 - 2²³ = 154545513449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154553901998 and 154553902016.

It is not a weakly prime, because it can be changed into another prime (154553902067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77276951028 + 77276951029.

It is an arithmetic number, because the mean of its divisors is an integer number (77276951029).

Almost surely, 2^154553902057 is an apocalyptic number.

It is an amenable number.

154553902057 is a deficient number, since it is larger than the sum of its proper divisors (1).

154553902057 is an equidigital number, since it uses as much as digits as its factorization.

154553902057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 154553902057 in words is "one hundred fifty-four billion, five hundred fifty-three million, nine hundred two thousand, fifty-seven".