10645442 has 4 divisors (see below), whose sum is σ = 15968166. Its totient is φ = 5322720.

The previous prime is 10645441. The next prime is 10645447. The reversal of 10645442 is 24454601.

10645442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 6405961 + 4239481 = 2531^2 + 2059^2 .

It is a super-2 number, since 2×10645442² = 226650870750728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661359 + ... + 2661362.

Almost surely, 2^10645442 is an apocalyptic number.

10645442 is a deficient number, since it is larger than the sum of its proper divisors (5322724).

10645442 is an equidigital number, since it uses as much as digits as its factorization.

10645442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322723.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 10645442 is about 3262.7353554954. The cubic root of 10645442 is about 219.9823815092.

The spelling of 10645442 in words is "ten million, six hundred forty-five thousand, four hundred forty-two".