157298701573 has 4 divisors (see below), whose sum is σ = 169398601708. Its totient is φ = 145198801440.

The previous prime is 157298701541. The next prime is 157298701591. The reversal of 157298701573 is 375107892751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375107892751 = 373 ⋅1005651187.

It can be written as a sum of positive squares in 2 ways, for example, as 101443524004 + 55855177569 = 318502^2 + 236337^2 .

It is a cyclic number.

It is not a de Polignac number, because 157298701573 - 2⁵ = 157298701541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157298401573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6049950048 + ... + 6049950073.

It is an arithmetic number, because the mean of its divisors is an integer number (42349650427).

Almost surely, 2^157298701573 is an apocalyptic number.

157298701573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157298701573 is a deficient number, since it is larger than the sum of its proper divisors (12099900135).

157298701573 is a wasteful number, since it uses less digits than its factorization.

157298701573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099900134.

The product of its (nonzero) digits is 3704400, while the sum is 55.

The spelling of 157298701573 in words is "one hundred fifty-seven billion, two hundred ninety-eight million, seven hundred one thousand, five hundred seventy-three".