144021702 has 24 divisors (see below), whose sum is σ = 316611288. Its totient is φ = 43642720.

The previous prime is 144021701. The next prime is 144021719. The reversal of 144021702 is 207120441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144021701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98463 + ... + 99914.

It is an arithmetic number, because the mean of its divisors is an integer number (13192137).

Almost surely, 2^144021702 is an apocalyptic number.

144021702 is an abundant number, since it is smaller than the sum of its proper divisors (172589586).

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

144021702 is a wasteful number, since it uses less digits than its factorization.

144021702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198404 (or 198393 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 144021702 is about 12000.9042159331. The cubic root of 144021702 is about 524.1746086903.

The spelling of 144021702 in words is "one hundred forty-four million, twenty-one thousand, seven hundred two".