730157143 has 8 divisors (see below), whose sum is σ = 733203200. Its totient is φ = 727117560.

The previous prime is 730157117. The next prime is 730157177. The reversal of 730157143 is 341751037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730157143 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 (730157443) 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, 428908 + ... + 430606.

It is an arithmetic number, because the mean of its divisors is an integer number (91650400).

Almost surely, 2^730157143 is an apocalyptic number.

730157143 is a deficient number, since it is larger than the sum of its proper divisors (3046057).

730157143 is a wasteful number, since it uses less digits than its factorization.

730157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 730157143 is about 27021.4200774127. The cubic root of 730157143 is about 900.4759388042.

The spelling of 730157143 in words is "seven hundred thirty million, one hundred fifty-seven thousand, one hundred forty-three".