142210303444 has 72 divisors (see below), whose sum is σ = 275922950184. Its totient is φ = 64081459200.

The previous prime is 142210303441. The next prime is 142210303489. The reversal of 142210303444 is 444303012241.

It can be written as a sum of positive squares in 4 ways, for example, as 4726562500 + 137483740944 = 68750^2 + 370788^2 .

It is a super-2 number, since 2×142210303444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142210303441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91570572 + ... + 91572124.

It is an arithmetic number, because the mean of its divisors is an integer number (3832263197).

Almost surely, 2^142210303444 is an apocalyptic number.

It is an amenable number.

142210303444 is a deficient number, since it is larger than the sum of its proper divisors (133712646740).

142210303444 is a wasteful number, since it uses less digits than its factorization.

142210303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142210303444 its reverse (444303012241), we get a palindrome (586513315685).

The spelling of 142210303444 in words is "one hundred forty-two billion, two hundred ten million, three hundred three thousand, four hundred forty-four".