154144000624457 has 2 divisors, whose sum is σ = 154144000624458. Its totient is φ = 154144000624456.

The previous prime is 154144000624417. The next prime is 154144000624459. The reversal of 154144000624457 is 754426000441451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101422402415161 + 52721598209296 = 10070869^2 + 7260964^2 .

It is a cyclic number.

It is not a de Polignac number, because 154144000624457 - 2²⁸ = 154143732189001 is a prime.

Together with 154144000624459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154144000624459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77072000312228 + 77072000312229.

It is an arithmetic number, because the mean of its divisors is an integer number (77072000312229).

Almost surely, 2^{154144000624457} is an apocalyptic number.

It is an amenable number.

154144000624457 is a deficient number, since it is larger than the sum of its proper divisors (1).

154144000624457 is an equidigital number, since it uses as much as digits as its factorization.

154144000624457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 154144000624457 in words is "one hundred fifty-four trillion, one hundred forty-four billion, six hundred twenty-four thousand, four hundred fifty-seven".