15202145141 has 4 divisors (see below), whose sum is σ = 15206728800. Its totient is φ = 15197561484.

The previous prime is 15202145117. The next prime is 15202145171. The reversal of 15202145141 is 14154120251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15202145141 - 2¹⁴ = 15202128757 is a prime.

It is a super-2 number, since 2×15202145141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15202145141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15202145171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286851 + ... + 2293488.

It is an arithmetic number, because the mean of its divisors is an integer number (3801682200).

Almost surely, 2^15202145141 is an apocalyptic number.

It is an amenable number.

15202145141 is a deficient number, since it is larger than the sum of its proper divisors (4583659).

15202145141 is an equidigital number, since it uses as much as digits as its factorization.

15202145141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583658.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 15202145141 its reverse (14154120251), we get a palindrome (29356265392).

The spelling of 15202145141 in words is "fifteen billion, two hundred two million, one hundred forty-five thousand, one hundred forty-one".