142753428 has 60 divisors (see below), whose sum is σ = 386079540. Its totient is φ = 45940608.

The previous prime is 142753427. The next prime is 142753447. The reversal of 142753428 is 824357241.

It is a happy number.

142753428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 116251524 + 26501904 = 10782^2 + 5148^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142753392 and 142753401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142753423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1800 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (6434659).

Almost surely, 2^142753428 is an apocalyptic number.

142753428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142753428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193039770).

142753428 is an abundant number, since it is smaller than the sum of its proper divisors (243326112).

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

142753428 is a wasteful number, since it uses less digits than its factorization.

142753428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238 (or 15227 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 142753428 is about 11947.9466018224. The cubic root of 142753428 is about 522.6314198242.

The spelling of 142753428 in words is "one hundred forty-two million, seven hundred fifty-three thousand, four hundred twenty-eight".