15145573142 has 16 divisors (see below), whose sum is σ = 25983555840. Its totient is φ = 6486030888.

The previous prime is 15145573141. The next prime is 15145573153. The reversal of 15145573142 is 24137554151.

It is a junction number, because it is equal to n+sod(n) for n = 15145573096 and 15145573105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145573141) 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, 391628 + ... + 428559.

It is an arithmetic number, because the mean of its divisors is an integer number (1623972240).

Almost surely, 2^15145573142 is an apocalyptic number.

15145573142 is a deficient number, since it is larger than the sum of its proper divisors (10837982698).

15145573142 is a wasteful number, since it uses less digits than its factorization.

15145573142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821515.

The product of its digits is 84000, while the sum is 38.

The spelling of 15145573142 in words is "fifteen billion, one hundred forty-five million, five hundred seventy-three thousand, one hundred forty-two".