145221116463 has 32 divisors (see below), whose sum is σ = 216407294400. Its totient is φ = 96246154368.

The previous prime is 145221116461. The next prime is 145221116477. The reversal of 145221116463 is 364611122541.

145221116463 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 2 + 1 + 1 + 1 + 646 + 3 = 666.

It is not a de Polignac number, because 145221116463 - 2¹ = 145221116461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145221116461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4168545 + ... + 4203237.

It is an arithmetic number, because the mean of its divisors is an integer number (6762727950).

Almost surely, 2^145221116463 is an apocalyptic number.

145221116463 is a deficient number, since it is larger than the sum of its proper divisors (71186177937).

145221116463 is a wasteful number, since it uses less digits than its factorization.

145221116463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35608 (or 35602 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 145221116463 in words is "one hundred forty-five billion, two hundred twenty-one million, one hundred sixteen thousand, four hundred sixty-three".