142905929 has 4 divisors (see below), whose sum is σ = 144379284. Its totient is φ = 141432576.

The previous prime is 142905913. The next prime is 142905937. The reversal of 142905929 is 929509241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929509241 = 19 ⋅48921539.

It can be written as a sum of positive squares in 2 ways, for example, as 94575625 + 48330304 = 9725^2 + 6952^2 .

It is a cyclic number.

It is not a de Polignac number, because 142905929 - 2⁴ = 142905913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142905949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736532 + ... + 736725.

It is an arithmetic number, because the mean of its divisors is an integer number (36094821).

Almost surely, 2^142905929 is an apocalyptic number.

It is an amenable number.

142905929 is a deficient number, since it is larger than the sum of its proper divisors (1473355).

142905929 is an equidigital number, since it uses as much as digits as its factorization.

142905929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473354.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 142905929 is about 11954.3267899117. The cubic root of 142905929 is about 522.8174596057.

The spelling of 142905929 in words is "one hundred forty-two million, nine hundred five thousand, nine hundred twenty-nine".