145280143273 has 8 divisors (see below), whose sum is σ = 147812983560. Its totient is φ = 142752180480.

The previous prime is 145280143247. The next prime is 145280143291. The reversal of 145280143273 is 372341082541.

It can be written as a sum of positive squares in 4 ways, for example, as 32255082409 + 113025060864 = 179597^2 + 336192^2 .

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

It is not a de Polignac number, because 145280143273 - 2¹⁷ = 145280012201 is a prime.

It is a super-2 number, since 2×145280143273² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145280143573) 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, 1159258 + ... + 1278451.

It is an arithmetic number, because the mean of its divisors is an integer number (18476622945).

Almost surely, 2^145280143273 is an apocalyptic number.

It is an amenable number.

145280143273 is a deficient number, since it is larger than the sum of its proper divisors (2532840287).

145280143273 is an equidigital number, since it uses as much as digits as its factorization.

145280143273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438747.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 145280143273 in words is "one hundred forty-five billion, two hundred eighty million, one hundred forty-three thousand, two hundred seventy-three".