15700385145 has 8 divisors (see below), whose sum is σ = 25120616256. Its totient is φ = 8373538736.

The previous prime is 15700385089. The next prime is 15700385167. The reversal of 15700385145 is 54158300751.

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 15700385145 - 2¹⁵ = 15700352377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523346157 + ... + 523346186.

It is an arithmetic number, because the mean of its divisors is an integer number (3140077032).

Almost surely, 2^15700385145 is an apocalyptic number.

15700385145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15700385145 is a deficient number, since it is larger than the sum of its proper divisors (9420231111).

15700385145 is a wasteful number, since it uses less digits than its factorization.

15700385145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046692351.

The product of its (nonzero) digits is 84000, while the sum is 39.

Adding to 15700385145 its reverse (54158300751), we get a palindrome (69858685896).

The spelling of 15700385145 in words is "fifteen billion, seven hundred million, three hundred eighty-five thousand, one hundred forty-five".