142040328 has 32 divisors (see below), whose sum is σ = 360106560. Its totient is φ = 46679360.

The previous prime is 142040323. The next prime is 142040401. The reversal of 142040328 is 823040241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 142040298 and 142040307.

It is not an unprimeable number, because it can be changed into a prime (142040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39975 + ... + 43382.

It is an arithmetic number, because the mean of its divisors is an integer number (11253330).

Almost surely, 2^142040328 is an apocalyptic number.

It is an amenable number.

142040328 is an abundant number, since it is smaller than the sum of its proper divisors (218066232).

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

142040328 is a wasteful number, since it uses less digits than its factorization.

142040328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83437 (or 83433 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142040328 is about 11918.0672929800. The cubic root of 142040328 is about 521.7597285322.

Adding to 142040328 its reverse (823040241), we get a palindrome (965080569).

The spelling of 142040328 in words is "one hundred forty-two million, forty thousand, three hundred twenty-eight".