145442263232443 has 16 divisors (see below), whose sum is σ = 145979761978336. Its totient is φ = 144905384574720.

The previous prime is 145442263232429. The next prime is 145442263232477. The reversal of 145442263232443 is 344232362244541.

It is a cyclic number.

It is not a de Polignac number, because 145442263232443 - 2²⁹ = 145441726361531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145442263212443) 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, 3998614405 + ... + 3998650777.

It is an arithmetic number, because the mean of its divisors is an integer number (9123735123646).

Almost surely, 2^{145442263232443} is an apocalyptic number.

145442263232443 is a deficient number, since it is larger than the sum of its proper divisors (537498745893).

145442263232443 is a wasteful number, since it uses less digits than its factorization.

145442263232443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44494.

The product of its digits is 13271040, while the sum is 49.

The spelling of 145442263232443 in words is "one hundred forty-five trillion, four hundred forty-two billion, two hundred sixty-three million, two hundred thirty-two thousand, four hundred forty-three".