142420404324 has 24 divisors (see below), whose sum is σ = 362524665888. Its totient is φ = 43157698240.

The previous prime is 142420404323. The next prime is 142420404397. The reversal of 142420404324 is 423404024241.

It is a junction number, because it is equal to n+sod(n) for n = 142420404291 and 142420404300.

It is not an unprimeable number, because it can be changed into a prime (142420404323) 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, 539471097 + ... + 539471360.

It is an arithmetic number, because the mean of its divisors is an integer number (15105194412).

Almost surely, 2^142420404324 is an apocalyptic number.

It is an amenable number.

142420404324 is an abundant number, since it is smaller than the sum of its proper divisors (220104261564).

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

142420404324 is a wasteful number, since it uses less digits than its factorization.

142420404324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078942475 (or 1078942473 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 142420404324 its reverse (423404024241), we get a palindrome (565824428565).

The spelling of 142420404324 in words is "one hundred forty-two billion, four hundred twenty million, four hundred four thousand, three hundred twenty-four".