15425540145 has 24 divisors (see below), whose sum is σ = 26914684992. Its totient is φ = 8172468000.

The previous prime is 15425540101. The next prime is 15425540161. The reversal of 15425540145 is 54104552451.

15425540145 is a `hidden beast` number, since 1 + 54 + 25 + 540 + 1 + 45 = 666.

15425540145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15425540145 - 2¹⁶ = 15425474609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128271 + ... + 1141860.

It is an arithmetic number, because the mean of its divisors is an integer number (1121445208).

Almost surely, 2^15425540145 is an apocalyptic number.

15425540145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15425540145 is a deficient number, since it is larger than the sum of its proper divisors (11489144847).

15425540145 is a wasteful number, since it uses less digits than its factorization.

15425540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270293 (or 2270290 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 15425540145 in words is "fifteen billion, four hundred twenty-five million, five hundred forty thousand, one hundred forty-five".