15142734 has 32 divisors (see below), whose sum is σ = 35424000. Its totient is φ = 4781592.

The previous prime is 15142723. The next prime is 15142741. The reversal of 15142734 is 43724151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15142698 and 15142707.

It is a congruent number.

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, 6354 + ... + 8405.

It is an arithmetic number, because the mean of its divisors is an integer number (1107000).

Almost surely, 2^15142734 is an apocalyptic number.

15142734 is an abundant number, since it is smaller than the sum of its proper divisors (20281266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15142734 is a wasteful number, since it uses less digits than its factorization.

15142734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789 (or 14783 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 15142734 is about 3891.3665979961. The cubic root of 15142734 is about 247.4009888629.

Adding to 15142734 its reverse (43724151), we get a palindrome (58866885).

It can be divided in two parts, 15142 and 734, that added together give a square (15876 = 126²).

The spelling of 15142734 in words is "fifteen million, one hundred forty-two thousand, seven hundred thirty-four".