145719273 has 16 divisors (see below), whose sum is σ = 222284160. Its totient is φ = 83179776.

The previous prime is 145719271. The next prime is 145719307. The reversal of 145719273 is 372917541.

It is not a de Polignac number, because 145719273 - 2¹ = 145719271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145719271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20161 + ... + 26417.

It is an arithmetic number, because the mean of its divisors is an integer number (13892760).

Almost surely, 2^145719273 is an apocalyptic number.

It is an amenable number.

145719273 is a deficient number, since it is larger than the sum of its proper divisors (76564887).

145719273 is a wasteful number, since it uses less digits than its factorization.

145719273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376.

The product of its digits is 52920, while the sum is 39.

The square root of 145719273 is about 12071.4238182577. The cubic root of 145719273 is about 526.2260361876.

The spelling of 145719273 in words is "one hundred forty-five million, seven hundred nineteen thousand, two hundred seventy-three".