10442145 has 24 divisors (see below), whose sum is σ = 19436544. Its totient is φ = 4773216.

The previous prime is 10442119. The next prime is 10442197. The reversal of 10442145 is 54124401.

It is a happy number.

It is not a de Polignac number, because 10442145 - 2⁹ = 10441633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6369 + ... + 7838.

It is an arithmetic number, because the mean of its divisors is an integer number (809856).

Almost surely, 2^10442145 is an apocalyptic number.

10442145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10442145 is a deficient number, since it is larger than the sum of its proper divisors (8994399).

10442145 is a wasteful number, since it uses less digits than its factorization.

10442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14229 (or 14222 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 10442145 is about 3231.4307976499. The cubic root of 10442145 is about 218.5730302025.

Adding to 10442145 its reverse (54124401), we get a palindrome (64566546).

The spelling of 10442145 in words is "ten million, four hundred forty-two thousand, one hundred forty-five".