146279780017 has 12 divisors (see below), whose sum is σ = 171814259136. Its totient is φ = 124165356840.

The previous prime is 146279779999. The next prime is 146279780081. The reversal of 146279780017 is 710087972641.

It is a de Polignac number, because none of the positive numbers 2^k-146279780017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146279780117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14486709 + ... + 14496802.

It is an arithmetic number, because the mean of its divisors is an integer number (14317854928).

Almost surely, 2^146279780017 is an apocalyptic number.

146279780017 is the 220817-th hex number.

It is an amenable number.

146279780017 is a deficient number, since it is larger than the sum of its proper divisors (25534479119).

146279780017 is a wasteful number, since it uses less digits than its factorization.

146279780017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28983628 (or 28983621 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 146279780017 in words is "one hundred forty-six billion, two hundred seventy-nine million, seven hundred eighty thousand, seventeen".