155245343003057 has 2 divisors, whose sum is σ = 155245343003058. Its totient is φ = 155245343003056.

The previous prime is 155245343002963. The next prime is 155245343003159. The reversal of 155245343003057 is 750300343542551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108785087740081 + 46460255262976 = 10430009^2 + 6816176^2 .

It is a cyclic number.

It is not a de Polignac number, because 155245343003057 - 2¹⁴ = 155245342986673 is a prime.

It is a super-2 number, since 2×155245343003057² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155245343003357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77622671501528 + 77622671501529.

It is an arithmetic number, because the mean of its divisors is an integer number (77622671501529).

Almost surely, 2^{155245343003057} is an apocalyptic number.

It is an amenable number.

155245343003057 is a deficient number, since it is larger than the sum of its proper divisors (1).

155245343003057 is an equidigital number, since it uses as much as digits as its factorization.

155245343003057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 47.

The spelling of 155245343003057 in words is "one hundred fifty-five trillion, two hundred forty-five billion, three hundred forty-three million, three thousand, fifty-seven".