142024411 has 4 divisors (see below), whose sum is σ = 149499400. Its totient is φ = 134549424.

The previous prime is 142024403. The next prime is 142024427. The reversal of 142024411 is 114420241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114420241 = 13 ⋅8801557.

It is a cyclic number.

It is not a de Polignac number, because 142024411 - 2³ = 142024403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 7474969 = 142024411 / (1 + 4 + 2 + 0 + 2 + 4 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142024811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737466 + ... + 3737503.

It is an arithmetic number, because the mean of its divisors is an integer number (37374850).

Almost surely, 2^142024411 is an apocalyptic number.

142024411 is a deficient number, since it is larger than the sum of its proper divisors (7474989).

142024411 is an equidigital number, since it uses as much as digits as its factorization.

142024411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474988.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142024411 is about 11917.3995066038. The cubic root of 142024411 is about 521.7402383870.

Adding to 142024411 its reverse (114420241), we get a palindrome (256444652).

The spelling of 142024411 in words is "one hundred forty-two million, twenty-four thousand, four hundred eleven".