1443157768145 has 16 divisors (see below), whose sum is σ = 1772961480000. Its totient is φ = 1127340771648.

The previous prime is 1443157768099. The next prime is 1443157768147. The reversal of 1443157768145 is 5418677513441.

It is a cyclic number.

It is not a de Polignac number, because 1443157768145 - 2²⁰ = 1443156719569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1443157768147) 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, 16372355 + ... + 16460264.

It is an arithmetic number, because the mean of its divisors is an integer number (110810092500).

Almost surely, 2^{1443157768145} is an apocalyptic number.

It is an amenable number.

1443157768145 is a deficient number, since it is larger than the sum of its proper divisors (329803711855).

1443157768145 is a wasteful number, since it uses less digits than its factorization.

1443157768145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32832832.

The product of its digits is 11289600, while the sum is 56.

The spelling of 1443157768145 in words is "one trillion, four hundred forty-three billion, one hundred fifty-seven million, seven hundred sixty-eight thousand, one hundred forty-five".