157774723153 has 2 divisors, whose sum is σ = 157774723154. Its totient is φ = 157774723152.

The previous prime is 157774723111. The next prime is 157774723177. The reversal of 157774723153 is 351327477751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155431485504 + 2343237649 = 394248^2 + 48407^2 .

It is an emirp because it is prime and its reverse (351327477751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157774723153 - 2²⁵ = 157741168721 is a prime.

It is a super-2 number, since 2×157774723153² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157774723153.

It is not a weakly prime, because it can be changed into another prime (157774723193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78887361576 + 78887361577.

It is an arithmetic number, because the mean of its divisors is an integer number (78887361577).

Almost surely, 2^157774723153 is an apocalyptic number.

It is an amenable number.

157774723153 is a deficient number, since it is larger than the sum of its proper divisors (1).

157774723153 is an equidigital number, since it uses as much as digits as its factorization.

157774723153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4321800, while the sum is 52.

The spelling of 157774723153 in words is "one hundred fifty-seven billion, seven hundred seventy-four million, seven hundred twenty-three thousand, one hundred fifty-three".