144264442 has 16 divisors (see below), whose sum is σ = 248257152. Its totient is φ = 61590960.

The previous prime is 144264433. The next prime is 144264457. The reversal of 144264442 is 244462441.

144264442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15909 + ... + 23272.

It is an arithmetic number, because the mean of its divisors is an integer number (15516072).

Almost surely, 2^144264442 is an apocalyptic number.

144264442 is a deficient number, since it is larger than the sum of its proper divisors (103992710).

144264442 is a wasteful number, since it uses less digits than its factorization.

144264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39453.

The product of its digits is 24576, while the sum is 31.

The square root of 144264442 is about 12011.0133627434. The cubic root of 144264442 is about 524.4689317576.

The spelling of 144264442 in words is "one hundred forty-four million, two hundred sixty-four thousand, four hundred forty-two".