145611444463 has 4 divisors (see below), whose sum is σ = 145623807720. Its totient is φ = 145599081208.

The previous prime is 145611444457. The next prime is 145611444523. The reversal of 145611444463 is 364444116541.

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

It is a cyclic number.

It is not a de Polignac number, because 145611444463 - 2²⁹ = 145074573551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145612444463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6163945 + ... + 6187522.

It is an arithmetic number, because the mean of its divisors is an integer number (36405951930).

Almost surely, 2^145611444463 is an apocalyptic number.

145611444463 is a deficient number, since it is larger than the sum of its proper divisors (12363257).

145611444463 is a wasteful number, since it uses less digits than its factorization.

145611444463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363256.

The product of its digits is 552960, while the sum is 43.

The spelling of 145611444463 in words is "one hundred forty-five billion, six hundred eleven million, four hundred forty-four thousand, four hundred sixty-three".