15730157145 has 8 divisors (see below), whose sum is σ = 25168251456. Its totient is φ = 8389417136.

The previous prime is 15730157143. The next prime is 15730157153. The reversal of 15730157145 is 54175103751.

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

It is a cyclic number.

It is not a de Polignac number, because 15730157145 - 2¹ = 15730157143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15730157143) 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, 524338557 + ... + 524338586.

It is an arithmetic number, because the mean of its divisors is an integer number (3146031432).

Almost surely, 2^15730157145 is an apocalyptic number.

15730157145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15730157145 is a deficient number, since it is larger than the sum of its proper divisors (9438094311).

15730157145 is a wasteful number, since it uses less digits than its factorization.

15730157145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048677151.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 15730157145 in words is "fifteen billion, seven hundred thirty million, one hundred fifty-seven thousand, one hundred forty-five".