142404743 has 8 divisors (see below), whose sum is σ = 153452208. Its totient is φ = 131370624.

The previous prime is 142404727. The next prime is 142404763. The reversal of 142404743 is 347404241.

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 142404743 - 2⁴ = 142404727 is a prime.

It is a super-2 number, since 2×142404743² = 40558221657792098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142404763) 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, 36671 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (19181526).

Almost surely, 2^142404743 is an apocalyptic number.

142404743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142404743 is a deficient number, since it is larger than the sum of its proper divisors (11047465).

142404743 is a wasteful number, since it uses less digits than its factorization.

142404743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 142404743 is about 11933.3458426378. The cubic root of 142404743 is about 522.2055519166.

Adding to 142404743 its reverse (347404241), we get a palindrome (489808984).

The spelling of 142404743 in words is "one hundred forty-two million, four hundred four thousand, seven hundred forty-three".