142705433 has 16 divisors (see below), whose sum is σ = 162697920. Its totient is φ = 124213824.

The previous prime is 142705427. The next prime is 142705441. The reversal of 142705433 is 334507241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142705433 - 2⁸ = 142705177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142705396 and 142705405.

It is not an unprimeable number, because it can be changed into a prime (142705403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11810 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (10168620).

Almost surely, 2^142705433 is an apocalyptic number.

142705433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142705433 is a deficient number, since it is larger than the sum of its proper divisors (19992487).

142705433 is a wasteful number, since it uses less digits than its factorization.

142705433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 142705433 is about 11945.9379288526. The cubic root of 142705433 is about 522.5728421144.

The spelling of 142705433 in words is "one hundred forty-two million, seven hundred five thousand, four hundred thirty-three".