10445981 has 16 divisors (see below), whose sum is σ = 12945408. Its totient is φ = 8208000.

The previous prime is 10445969. The next prime is 10445993. The reversal of 10445981 is 18954401.

It is an interprime number because it is at equal distance from previous prime (10445969) and next prime (10445993).

It is a cyclic number.

It is not a de Polignac number, because 10445981 - 2⁶ = 10445917 is a prime.

It is a super-2 number, since 2×10445981² = 218237038104722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10445881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17081 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (809088).

Almost surely, 2^10445981 is an apocalyptic number.

It is an amenable number.

10445981 is a deficient number, since it is larger than the sum of its proper divisors (2499427).

10445981 is a wasteful number, since it uses less digits than its factorization.

10445981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 10445981 is about 3232.0242882751. The cubic root of 10445981 is about 218.5997917378.

The spelling of 10445981 in words is "ten million, four hundred forty-five thousand, nine hundred eighty-one".