15146445131402 has 8 divisors (see below), whose sum is σ = 24467334443076. Its totient is φ = 6990666983712.

The previous prime is 15146445131371. The next prime is 15146445131417. The reversal of 15146445131402 is 20413154464151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15135219940801 + 11225190601 = 3890401^2 + 105949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15146445131402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291277790963 + ... + 291277791014.

Almost surely, 2^{15146445131402} is an apocalyptic number.

15146445131402 is a deficient number, since it is larger than the sum of its proper divisors (9320889311674).

15146445131402 is a wasteful number, since it uses less digits than its factorization.

15146445131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582555581992.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 15146445131402 its reverse (20413154464151), we get a palindrome (35559599595553).

The spelling of 15146445131402 in words is "fifteen trillion, one hundred forty-six billion, four hundred forty-five million, one hundred thirty-one thousand, four hundred two".