142324451 has 8 divisors (see below), whose sum is σ = 145197360. Its totient is φ = 139458592.

The previous prime is 142324433. The next prime is 142324471. The reversal of 142324451 is 154423241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142324451 - 2⁶ = 142324387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142324451.

It is not an unprimeable number, because it can be changed into a prime (142324471) 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, 60485 + ... + 62793.

It is an arithmetic number, because the mean of its divisors is an integer number (18149670).

Almost surely, 2^142324451 is an apocalyptic number.

142324451 is a deficient number, since it is larger than the sum of its proper divisors (2872909).

142324451 is a wasteful number, since it uses less digits than its factorization.

142324451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its digits is 3840, while the sum is 26.

The square root of 142324451 is about 11929.9811818795. The cubic root of 142324451 is about 522.1073884940.

Adding to 142324451 its reverse (154423241), we get a palindrome (296747692).

The spelling of 142324451 in words is "one hundred forty-two million, three hundred twenty-four thousand, four hundred fifty-one".