145966819883 has 8 divisors (see below), whose sum is σ = 150695264256. Its totient is φ = 141239615400.

The previous prime is 145966819853. The next prime is 145966819903. The reversal of 145966819883 is 388918669541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145966819883 - 2¹⁸ = 145966557739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145966819813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67691 + ... + 544532.

It is an arithmetic number, because the mean of its divisors is an integer number (18836908032).

Almost surely, 2^145966819883 is an apocalyptic number.

145966819883 is a deficient number, since it is larger than the sum of its proper divisors (4728444373).

145966819883 is an equidigital number, since it uses as much as digits as its factorization.

145966819883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619945.

The product of its digits is 89579520, while the sum is 68.

The spelling of 145966819883 in words is "one hundred forty-five billion, nine hundred sixty-six million, eight hundred nineteen thousand, eight hundred eighty-three".