154207845793 has 2 divisors, whose sum is σ = 154207845794. Its totient is φ = 154207845792.

The previous prime is 154207845773. The next prime is 154207845851. The reversal of 154207845793 is 397548702451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147649599504 + 6558246289 = 384252^2 + 80983^2 .

It is a cyclic number.

It is not a de Polignac number, because 154207845793 - 2²⁵ = 154174291361 is a prime.

It is not a weakly prime, because it can be changed into another prime (154207845703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77103922896 + 77103922897.

It is an arithmetic number, because the mean of its divisors is an integer number (77103922897).

Almost surely, 2^154207845793 is an apocalyptic number.

It is an amenable number.

154207845793 is a deficient number, since it is larger than the sum of its proper divisors (1).

154207845793 is an equidigital number, since it uses as much as digits as its factorization.

154207845793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 55.

It can be divided in two parts, 154207 and 845793, that added together give a 6-th power (1000000 = 10⁶).

The spelling of 154207845793 in words is "one hundred fifty-four billion, two hundred seven million, eight hundred forty-five thousand, seven hundred ninety-three".