1142464511455 has 4 divisors (see below), whose sum is σ = 1370957413752. Its totient is φ = 913971609160.

The previous prime is 1142464511431. The next prime is 1142464511459. The reversal of 1142464511455 is 5541154642411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1142464511455 - 2⁵ = 1142464511423 is a prime.

It is a super-2 number, since 2×1142464511455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142464511459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114246451141 + ... + 114246451150.

It is an arithmetic number, because the mean of its divisors is an integer number (342739353438).

Almost surely, 2^{1142464511455} is an apocalyptic number.

1142464511455 is a deficient number, since it is larger than the sum of its proper divisors (228492902297).

1142464511455 is an equidigital number, since it uses as much as digits as its factorization.

1142464511455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228492902296.

The product of its digits is 384000, while the sum is 43.

The spelling of 1142464511455 in words is "one trillion, one hundred forty-two billion, four hundred sixty-four million, five hundred eleven thousand, four hundred fifty-five".