142303044 has 48 divisors (see below), whose sum is σ = 363666240. Its totient is φ = 43040640.

The previous prime is 142303043. The next prime is 142303067. The reversal of 142303044 is 440303241.

It is a self number, because there is not a number n which added to its sum of digits gives 142303044.

It is not an unprimeable number, because it can be changed into a prime (142303043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (7576380).

Almost surely, 2^142303044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142303044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181833120).

142303044 is an abundant number, since it is smaller than the sum of its proper divisors (221363196).

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

142303044 is a wasteful number, since it uses less digits than its factorization.

142303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15540 (or 15538 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142303044 is about 11929.0839547721. The cubic root of 142303044 is about 522.0812104827.

Adding to 142303044 its reverse (440303241), we get a palindrome (582606285).

The spelling of 142303044 in words is "one hundred forty-two million, three hundred three thousand, forty-four".