15143145 has 16 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 7879040.

The previous prime is 15143143. The next prime is 15143147. The reversal of 15143145 is 54134151.

It is a happy number.

15143145 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15143143) and next prime (15143147).

It is not a de Polignac number, because 15143145 - 2¹ = 15143143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15143143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11697 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^15143145 is an apocalyptic number.

15143145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15143145 is a deficient number, since it is larger than the sum of its proper divisors (9677847).

15143145 is a wasteful number, since it uses less digits than its factorization.

15143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24672.

The product of its digits is 1200, while the sum is 24.

The square root of 15143145 is about 3891.4194068489. The cubic root of 15143145 is about 247.4032271396.

Adding to 15143145 its reverse (54134151), we get a palindrome (69277296).

The spelling of 15143145 in words is "fifteen million, one hundred forty-three thousand, one hundred forty-five".