144452015 has 4 divisors (see below), whose sum is σ = 173342424. Its totient is φ = 115561608.

The previous prime is 144451919. The next prime is 144452027. The reversal of 144452015 is 510254441.

144452015 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 not a de Polignac number, because 144452015 - 2²⁶ = 77343151 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, 14445197 + ... + 14445206.

It is an arithmetic number, because the mean of its divisors is an integer number (43335606).

Almost surely, 2^144452015 is an apocalyptic number.

144452015 is a deficient number, since it is larger than the sum of its proper divisors (28890409).

144452015 is an equidigital number, since it uses as much as digits as its factorization.

144452015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28890408.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 144452015 is about 12018.8192015688. The cubic root of 144452015 is about 524.6961386008.

The spelling of 144452015 in words is "one hundred forty-four million, four hundred fifty-two thousand, fifteen".