157287301573 has 2 divisors, whose sum is σ = 157287301574. Its totient is φ = 157287301572.

The previous prime is 157287301571. The next prime is 157287301583. The reversal of 157287301573 is 375103782751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157095700609 + 191600964 = 396353^2 + 13842^2 .

It is a cyclic number.

It is not a de Polignac number, because 157287301573 - 2¹ = 157287301571 is a prime.

It is a super-2 number, since 2×157287301573² (a number of 23 digits) contains 22 as substring.

Together with 157287301571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157287301571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78643650786 + 78643650787.

It is an arithmetic number, because the mean of its divisors is an integer number (78643650787).

Almost surely, 2^157287301573 is an apocalyptic number.

It is an amenable number.

157287301573 is a deficient number, since it is larger than the sum of its proper divisors (1).

157287301573 is an equidigital number, since it uses as much as digits as its factorization.

157287301573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 157287301573 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, three hundred one thousand, five hundred seventy-three".