145157873 has 8 divisors (see below), whose sum is σ = 165987648. Its totient is φ = 124351344.

The previous prime is 145157863. The next prime is 145157923. The reversal of 145157873 is 378751541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145157873 - 2¹² = 145153777 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 145157873.

It is not an unprimeable number, because it can be changed into a prime (145157863) 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, 10715 + ... + 20127.

It is an arithmetic number, because the mean of its divisors is an integer number (20748456).

Almost surely, 2^145157873 is an apocalyptic number.

It is an amenable number.

145157873 is a deficient number, since it is larger than the sum of its proper divisors (20829775).

145157873 is an equidigital number, since it uses as much as digits as its factorization.

145157873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623.

The product of its digits is 117600, while the sum is 41.

The square root of 145157873 is about 12048.1481149594. The cubic root of 145157873 is about 525.5493846859.

The spelling of 145157873 in words is "one hundred forty-five million, one hundred fifty-seven thousand, eight hundred seventy-three".