15388900145 has 16 divisors (see below), whose sum is σ = 19295010432. Its totient is φ = 11760312960.

The previous prime is 15388900139. The next prime is 15388900151. The reversal of 15388900145 is 54100988351.

It is an interprime number because it is at equal distance from previous prime (15388900139) and next prime (15388900151).

It is not a de Polignac number, because 15388900145 - 2¹² = 15388896049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15388900096 and 15388900105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407 + ... + 175436.

It is an arithmetic number, because the mean of its divisors is an integer number (1205938152).

Almost surely, 2^15388900145 is an apocalyptic number.

It is an amenable number.

15388900145 is a deficient number, since it is larger than the sum of its proper divisors (3906110287).

15388900145 is a wasteful number, since it uses less digits than its factorization.

15388900145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176632.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 15388900145 in words is "fifteen billion, three hundred eighty-eight million, nine hundred thousand, one hundred forty-five".