15145228643 has 8 divisors (see below), whose sum is σ = 16243146000. Its totient is φ = 14077391328.

The previous prime is 15145228633. The next prime is 15145228667. The reversal of 15145228643 is 34682254151.

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-15145228643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15145228643.

It is not an unprimeable number, because it can be changed into a prime (15145228613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7518968 + ... + 7520981.

It is an arithmetic number, because the mean of its divisors is an integer number (2030393250).

Almost surely, 2^15145228643 is an apocalyptic number.

15145228643 is a deficient number, since it is larger than the sum of its proper divisors (1097917357).

15145228643 is a wasteful number, since it uses less digits than its factorization.

15145228643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040021.

The product of its digits is 230400, while the sum is 41.

The spelling of 15145228643 in words is "fifteen billion, one hundred forty-five million, two hundred twenty-eight thousand, six hundred forty-three".