154098161057 has 2 divisors, whose sum is σ = 154098161058. Its totient is φ = 154098161056.

The previous prime is 154098161017. The next prime is 154098161071. The reversal of 154098161057 is 750161890451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97194921121 + 56903239936 = 311761^2 + 238544^2 .

It is a cyclic number.

It is not a de Polignac number, because 154098161057 - 2¹⁶ = 154098095521 is a prime.

It is a super-2 number, since 2×154098161057² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154098161017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77049080528 + 77049080529.

It is an arithmetic number, because the mean of its divisors is an integer number (77049080529).

Almost surely, 2^154098161057 is an apocalyptic number.

It is an amenable number.

154098161057 is a deficient number, since it is larger than the sum of its proper divisors (1).

154098161057 is an equidigital number, since it uses as much as digits as its factorization.

154098161057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 154098161057 in words is "one hundred fifty-four billion, ninety-eight million, one hundred sixty-one thousand, fifty-seven".