10542645 has 12 divisors (see below), whose sum is σ = 18273996. Its totient is φ = 5622720.

The previous prime is 10542641. The next prime is 10542659. The reversal of 10542645 is 54624501.

10542645 is a `hidden beast` number, since 10 + 5 + 4 + 2 + 645 = 666.

10542645 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8346321 + 2196324 = 2889^2 + 1482^2 .

It is not a de Polignac number, because 10542645 - 2² = 10542641 is a prime.

It is a super-2 number, since 2×10542645² = 222294727192050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117096 + ... + 117185.

It is an arithmetic number, because the mean of its divisors is an integer number (1522833).

Almost surely, 2^10542645 is an apocalyptic number.

10542645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10542645 is a deficient number, since it is larger than the sum of its proper divisors (7731351).

10542645 is a wasteful number, since it uses less digits than its factorization.

10542645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234292 (or 234289 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 10542645 is about 3246.9439477761. The cubic root of 10542645 is about 219.2720082944.

The spelling of 10542645 in words is "ten million, five hundred forty-two thousand, six hundred forty-five".