154522235797 has 2 divisors, whose sum is σ = 154522235798. Its totient is φ = 154522235796.

The previous prime is 154522235773. The next prime is 154522235801. The reversal of 154522235797 is 797532225451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107998334161 + 46523901636 = 328631^2 + 215694^2 .

It is a cyclic number.

It is not a de Polignac number, because 154522235797 - 2¹⁵ = 154522203029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154522235737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77261117898 + 77261117899.

It is an arithmetic number, because the mean of its divisors is an integer number (77261117899).

Almost surely, 2^154522235797 is an apocalyptic number.

It is an amenable number.

154522235797 is a deficient number, since it is larger than the sum of its proper divisors (1).

154522235797 is an equidigital number, since it uses as much as digits as its factorization.

154522235797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292000, while the sum is 52.

The spelling of 154522235797 in words is "one hundred fifty-four billion, five hundred twenty-two million, two hundred thirty-five thousand, seven hundred ninety-seven".