144232315 has 4 divisors (see below), whose sum is σ = 173078784. Its totient is φ = 115385848.

The previous prime is 144232273. The next prime is 144232339. The reversal of 144232315 is 513232441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513232441 = 16007 ⋅32063.

It is a cyclic number.

It is not a de Polignac number, because 144232315 - 2¹¹ = 144230267 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 144232315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423227 + ... + 14423236.

It is an arithmetic number, because the mean of its divisors is an integer number (43269696).

Almost surely, 2^144232315 is an apocalyptic number.

144232315 is a deficient number, since it is larger than the sum of its proper divisors (28846469).

144232315 is an equidigital number, since it uses as much as digits as its factorization.

144232315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846468.

The product of its digits is 2880, while the sum is 25.

The square root of 144232315 is about 12009.6758907141. The cubic root of 144232315 is about 524.4299966278.

Adding to 144232315 its reverse (513232441), we get a palindrome (657464756).

The spelling of 144232315 in words is "one hundred forty-four million, two hundred thirty-two thousand, three hundred fifteen".