145165072873 has 16 divisors (see below), whose sum is σ = 148189499392. Its totient is φ = 142162776000.

The previous prime is 145165072813. The next prime is 145165072889. The reversal of 145165072873 is 378270561541.

It is a cyclic number.

It is not a de Polignac number, because 145165072873 - 2³³ = 136575138281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145165072813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14352088 + ... + 14362198.

It is an arithmetic number, because the mean of its divisors is an integer number (9261843712).

Almost surely, 2^145165072873 is an apocalyptic number.

It is an amenable number.

145165072873 is a deficient number, since it is larger than the sum of its proper divisors (3024426519).

145165072873 is a wasteful number, since it uses less digits than its factorization.

145165072873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 145165072873 in words is "one hundred forty-five billion, one hundred sixty-five million, seventy-two thousand, eight hundred seventy-three".