145447960273 has 16 divisors (see below), whose sum is σ = 192004642944. Its totient is φ = 106669244160.

The previous prime is 145447960267. The next prime is 145447960277. The reversal of 145447960273 is 372069744541.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145447960273 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 145447960273.

It is not an unprimeable number, because it can be changed into a prime (145447960277) 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, 55555590 + ... + 55558207.

It is an arithmetic number, because the mean of its divisors is an integer number (12000290184).

Almost surely, 2^145447960273 is an apocalyptic number.

It is an amenable number.

145447960273 is a deficient number, since it is larger than the sum of its proper divisors (46556682671).

145447960273 is a wasteful number, since it uses less digits than its factorization.

145447960273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111113832.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 145447960273 in words is "one hundred forty-five billion, four hundred forty-seven million, nine hundred sixty thousand, two hundred seventy-three".