1144042361645 has 8 divisors (see below), whose sum is σ = 1372876750080. Its totient is φ = 915216611920.

The previous prime is 1144042361639. The next prime is 1144042361689. The reversal of 1144042361645 is 5461632404411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144042361645 - 2²⁶ = 1143975252781 is a prime.

It is a super-3 number, since 3×1144042361645³ (a number of 37 digits) contains 333 as substring.

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, 1864661 + ... + 2401050.

It is an arithmetic number, because the mean of its divisors is an integer number (171609593760).

Almost surely, 2^{1144042361645} is an apocalyptic number.

It is an amenable number.

1144042361645 is a deficient number, since it is larger than the sum of its proper divisors (228834388435).

1144042361645 is an equidigital number, since it uses as much as digits as its factorization.

1144042361645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319355.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 1144042361645 in words is "one trillion, one hundred forty-four billion, forty-two million, three hundred sixty-one thousand, six hundred forty-five".