144453415 has 4 divisors (see below), whose sum is σ = 173344104. Its totient is φ = 115562728.

The previous prime is 144453391. The next prime is 144453431. The reversal of 144453415 is 514354441.

144453415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144453415 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 14445337 + ... + 14445346.

It is an arithmetic number, because the mean of its divisors is an integer number (43336026).

Almost surely, 2^144453415 is an apocalyptic number.

144453415 is a deficient number, since it is larger than the sum of its proper divisors (28890689).

144453415 is an equidigital number, since it uses as much as digits as its factorization.

144453415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28890688.

The product of its digits is 19200, while the sum is 31.

The square root of 144453415 is about 12018.8774434221. The cubic root of 144453415 is about 524.6978336786.

The spelling of 144453415 in words is "one hundred forty-four million, four hundred fifty-three thousand, four hundred fifteen".