142044430 has 16 divisors (see below), whose sum is σ = 278923824. Its totient is φ = 51652480.

The previous prime is 142044403. The next prime is 142044431. The reversal of 142044430 is 34440241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142044431) 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, 645547 + ... + 645766.

It is an arithmetic number, because the mean of its divisors is an integer number (17432739).

Almost surely, 2^142044430 is an apocalyptic number.

142044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142044430 is a deficient number, since it is larger than the sum of its proper divisors (136879394).

142044430 is a wasteful number, since it uses less digits than its factorization.

142044430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291331.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142044430 is about 11918.2393833989. The cubic root of 142044430 is about 521.7647511382.

Adding to 142044430 its reverse (34440241), we get a palindrome (176484671).

The spelling of 142044430 in words is "one hundred forty-two million, forty-four thousand, four hundred thirty".