1304402145542 has 16 divisors (see below), whose sum is σ = 1962323006112. Its totient is φ = 650294810880.

The previous prime is 1304402145539. The next prime is 1304402145551. The reversal of 1304402145542 is 2455412044031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8352983 + ... + 8507709.

It is an arithmetic number, because the mean of its divisors is an integer number (122645187882).

Almost surely, 2^{1304402145542} is an apocalyptic number.

1304402145542 is a deficient number, since it is larger than the sum of its proper divisors (657920860570).

1304402145542 is a wasteful number, since it uses less digits than its factorization.

1304402145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167023.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1304402145542 its reverse (2455412044031), we get a palindrome (3759814189573).

The spelling of 1304402145542 in words is "one trillion, three hundred four billion, four hundred two million, one hundred forty-five thousand, five hundred forty-two".