142521334 has 8 divisors (see below), whose sum is σ = 213859008. Its totient is φ = 71235000.

The previous prime is 142521329. The next prime is 142521349. The reversal of 142521334 is 433125241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142521299 and 142521308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917 + ... + 17584.

It is an arithmetic number, because the mean of its divisors is an integer number (26732376).

Almost surely, 2^142521334 is an apocalyptic number.

142521334 is a deficient number, since it is larger than the sum of its proper divisors (71337674).

142521334 is a wasteful number, since it uses less digits than its factorization.

142521334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25670.

The product of its digits is 2880, while the sum is 25.

The square root of 142521334 is about 11938.2299357987. The cubic root of 142521334 is about 522.3480281146.

Adding to 142521334 its reverse (433125241), we get a palindrome (575646575).

The spelling of 142521334 in words is "one hundred forty-two million, five hundred twenty-one thousand, three hundred thirty-four".