15145443542 has 12 divisors (see below), whose sum is σ = 23285786748. Its totient is φ = 7388019600.

The previous prime is 15145443541. The next prime is 15145443557. The reversal of 15145443542 is 24534454151.

15145443542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15145443496 and 15145443505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145443541) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2249084 + ... + 2255807.

It is an arithmetic number, because the mean of its divisors is an integer number (1940482229).

Almost surely, 2^15145443542 is an apocalyptic number.

15145443542 is a deficient number, since it is larger than the sum of its proper divisors (8140343206).

15145443542 is an equidigital number, since it uses as much as digits as its factorization.

15145443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504975 (or 4504934 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

Adding to 15145443542 its reverse (24534454151), we get a palindrome (39679897693).

The spelling of 15145443542 in words is "fifteen billion, one hundred forty-five million, four hundred forty-three thousand, five hundred forty-two".