1144898569456 has 20 divisors (see below), whose sum is σ = 2314686238992. Its totient is φ = 547560185216.

The previous prime is 1144898569439. The next prime is 1144898569487. The reversal of 1144898569456 is 6549658984411.

It is a super-2 number, since 2×1144898569456² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1555568341 + ... + 1555569076.

Almost surely, 2^{1144898569456} is an apocalyptic number.

1144898569456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144898569456 is an abundant number, since it is smaller than the sum of its proper divisors (1169787669536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144898569456 is a wasteful number, since it uses less digits than its factorization.

1144898569456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111137448 (or 3111137442 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 70.

The spelling of 1144898569456 in words is "one trillion, one hundred forty-four billion, eight hundred ninety-eight million, five hundred sixty-nine thousand, four hundred fifty-six".