10146442 has 4 divisors (see below), whose sum is σ = 15219666. Its totient is φ = 5073220.

The previous prime is 10146403. The next prime is 10146443. The reversal of 10146442 is 24464101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24464101 = 193 ⋅126757.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 40401 = 3179^2 + 201^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10146443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536609 + ... + 2536612.

Almost surely, 2^10146442 is an apocalyptic number.

10146442 is a deficient number, since it is larger than the sum of its proper divisors (5073224).

10146442 is an equidigital number, since it uses as much as digits as its factorization.

10146442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073223.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 10146442 is about 3185.3480186630. The cubic root of 10146442 is about 216.4900425134.

The spelling of 10146442 in words is "ten million, one hundred forty-six thousand, four hundred forty-two".