15345134432202 has 32 divisors (see below), whose sum is σ = 30747139600320. Its totient is φ = 5105568176640.

The previous prime is 15345134432189. The next prime is 15345134432207. The reversal of 15345134432202 is 20223443154351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15345134432207) 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, 34273978 + ... + 34718810.

It is an arithmetic number, because the mean of its divisors is an integer number (960848112510).

Almost surely, 2^{15345134432202} is an apocalyptic number.

15345134432202 is an abundant number, since it is smaller than the sum of its proper divisors (15402005168118).

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

15345134432202 is a wasteful number, since it uses less digits than its factorization.

15345134432202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455478.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 15345134432202 its reverse (20223443154351), we get a palindrome (35568577586553).

The spelling of 15345134432202 in words is "fifteen trillion, three hundred forty-five billion, one hundred thirty-four million, four hundred thirty-two thousand, two hundred two".