1214442153442 has 64 divisors (see below), whose sum is σ = 2123901077760. Its totient is φ = 510081417216.

The previous prime is 1214442153439. The next prime is 1214442153443. The reversal of 1214442153442 is 2443512444121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1214442153443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428071248 + ... + 428074084.

It is an arithmetic number, because the mean of its divisors is an integer number (33185954340).

Almost surely, 2^{1214442153442} is an apocalyptic number.

1214442153442 is a deficient number, since it is larger than the sum of its proper divisors (909458924318).

1214442153442 is a wasteful number, since it uses less digits than its factorization.

1214442153442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755.

The product of its digits is 122880, while the sum is 37.

Adding to 1214442153442 its reverse (2443512444121), we get a palindrome (3657954597563).

The spelling of 1214442153442 in words is "one trillion, two hundred fourteen billion, four hundred forty-two million, one hundred fifty-three thousand, four hundred forty-two".