144245020 has 24 divisors (see below), whose sum is σ = 307183968. Its totient is φ = 56884800.

The previous prime is 144245009. The next prime is 144245027. The reversal of 144245020 is 20542441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144244982 and 144245000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144245027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49371 + ... + 52210.

It is an arithmetic number, because the mean of its divisors is an integer number (12799332).

Almost surely, 2^144245020 is an apocalyptic number.

144245020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144245020 is an abundant number, since it is smaller than the sum of its proper divisors (162938948).

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

144245020 is a wasteful number, since it uses less digits than its factorization.

144245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101661 (or 101659 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 144245020 is about 12010.2048275623. The cubic root of 144245020 is about 524.4453946739.

Adding to 144245020 its reverse (20542441), we get a palindrome (164787461).

The spelling of 144245020 in words is "one hundred forty-four million, two hundred forty-five thousand, twenty".