157143015730 has 16 divisors (see below), whose sum is σ = 285773486040. Its totient is φ = 62209193472.

The previous prime is 157143015707. The next prime is 157143015737. The reversal of 157143015730 is 37510341751.

It can be written as a sum of positive squares in 4 ways, for example, as 97914545569 + 59228470161 = 312913^2 + 243369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157143015730.

It is not an unprimeable number, because it can be changed into a prime (157143015737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81000585 + ... + 81002524.

Almost surely, 2^157143015730 is an apocalyptic number.

157143015730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157143015730 is a deficient number, since it is larger than the sum of its proper divisors (128630470310).

157143015730 is a wasteful number, since it uses less digits than its factorization.

157143015730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162003213.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 157143015730 in words is "one hundred fifty-seven billion, one hundred forty-three million, fifteen thousand, seven hundred thirty".