1442401513 has 16 divisors (see below), whose sum is σ = 1679086080. Its totient is φ = 1213557696.

The previous prime is 1442401487. The next prime is 1442401523. The reversal of 1442401513 is 3151042441.

It is a cyclic number.

It is not a de Polignac number, because 1442401513 - 2²⁹ = 905530601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442401523) 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, 88131 + ... + 103207.

It is an arithmetic number, because the mean of its divisors is an integer number (104942880).

Almost surely, 2^1442401513 is an apocalyptic number.

It is an amenable number.

1442401513 is a deficient number, since it is larger than the sum of its proper divisors (236684567).

1442401513 is a wasteful number, since it uses less digits than its factorization.

1442401513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1442401513 is about 37978.9614523620. The cubic root of 1442401513 is about 1129.8706388579.

Adding to 1442401513 its reverse (3151042441), we get a palindrome (4593443954).

The spelling of 1442401513 in words is "one billion, four hundred forty-two million, four hundred one thousand, five hundred thirteen".