142401724 has 48 divisors (see below), whose sum is σ = 278885376. Its totient is φ = 63302400.

The previous prime is 142401719. The next prime is 142401731. The reversal of 142401724 is 427104241.

142401724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142401724³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89859 + ... + 91429.

It is an arithmetic number, because the mean of its divisors is an integer number (5810112).

Almost surely, 2^142401724 is an apocalyptic number.

It is an amenable number.

142401724 is a deficient number, since it is larger than the sum of its proper divisors (136483652).

142401724 is a wasteful number, since it uses less digits than its factorization.

142401724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 142401724 is about 11933.2193476865. The cubic root of 142401724 is about 522.2018616142.

Adding to 142401724 its reverse (427104241), we get a palindrome (569505965).

The spelling of 142401724 in words is "one hundred forty-two million, four hundred one thousand, seven hundred twenty-four".