144020022 has 16 divisors (see below), whose sum is σ = 304983792. Its totient is φ = 45182720.

The previous prime is 144019991. The next prime is 144020033. The reversal of 144020022 is 220020441.

It is a junction number, because it is equal to n+sod(n) for n = 144019983 and 144020010.

It is a congruent number.

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, 705879 + ... + 706082.

It is an arithmetic number, because the mean of its divisors is an integer number (19061487).

Almost surely, 2^144020022 is an apocalyptic number.

144020022 is an abundant number, since it is smaller than the sum of its proper divisors (160963770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144020022 is a wasteful number, since it uses less digits than its factorization.

144020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411983.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 144020022 is about 12000.8342210031. The cubic root of 144020022 is about 524.1725705327.

Adding to 144020022 its reverse (220020441), we get a palindrome (364040463).

The spelling of 144020022 in words is "one hundred forty-four million, twenty thousand, twenty-two".