145196029775 has 12 divisors (see below), whose sum is σ = 181460742912. Its totient is φ = 115242200640.

The previous prime is 145196029697. The next prime is 145196029789. The reversal of 145196029775 is 577920691541.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-145196029775 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145196029775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22862342 + ... + 22868691.

It is an arithmetic number, because the mean of its divisors is an integer number (15121728576).

Almost surely, 2^145196029775 is an apocalyptic number.

145196029775 is a deficient number, since it is larger than the sum of its proper divisors (36264713137).

145196029775 is a wasteful number, since it uses less digits than its factorization.

145196029775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45731170 (or 45731165 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 145196029775 in words is "one hundred forty-five billion, one hundred ninety-six million, twenty-nine thousand, seven hundred seventy-five".