106142429 has 4 divisors (see below), whose sum is σ = 106240284. Its totient is φ = 106044576.

The previous prime is 106142383. The next prime is 106142431. The reversal of 106142429 is 924241601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79619929 + 26522500 = 8923^2 + 5150^2 .

It is a cyclic number.

It is not a de Polignac number, because 106142429 - 2⁸ = 106142173 is a prime.

It is a super-2 number, since 2×106142429² = 22532430468040082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106142459) 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, 47282 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (26560071).

Almost surely, 2^106142429 is an apocalyptic number.

It is an amenable number.

106142429 is a deficient number, since it is larger than the sum of its proper divisors (97855).

106142429 is an equidigital number, since it uses as much as digits as its factorization.

106142429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97854.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 106142429 is about 10302.5447827224. The cubic root of 106142429 is about 473.4742236919.

The spelling of 106142429 in words is "one hundred six million, one hundred forty-two thousand, four hundred twenty-nine".