106009142 has 16 divisors (see below), whose sum is σ = 162838512. Its totient is φ = 51744000.

The previous prime is 106009133. The next prime is 106009153. The reversal of 106009142 is 241900601.

It is a happy number.

It is a super-2 number, since 2×106009142² = 22475876375152328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11642 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (10177407).

Almost surely, 2^106009142 is an apocalyptic number.

106009142 is a deficient number, since it is larger than the sum of its proper divisors (56829370).

106009142 is a wasteful number, since it uses less digits than its factorization.

106009142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 106009142 is about 10296.0741061824. The cubic root of 106009142 is about 473.2759542736.

Adding to 106009142 its reverse (241900601), we get a palindrome (347909743).

The spelling of 106009142 in words is "one hundred six million, nine thousand, one hundred forty-two".