10240545 has 32 divisors (see below), whose sum is σ = 19830528. Its totient is φ = 4405248.

The previous prime is 10240537. The next prime is 10240591. The reversal of 10240545 is 54504201.

It is not a de Polignac number, because 10240545 - 2³ = 10240537 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1084 + ... + 4653.

It is an arithmetic number, because the mean of its divisors is an integer number (619704).

Almost surely, 2^10240545 is an apocalyptic number.

10240545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10240545 is a deficient number, since it is larger than the sum of its proper divisors (9589983).

10240545 is a wasteful number, since it uses less digits than its factorization.

10240545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10240545 is about 3200.0851551170. The cubic root of 10240545 is about 217.1572617530.

Adding to 10240545 its reverse (54504201), we get a palindrome (64744746).

The spelling of 10240545 in words is "ten million, two hundred forty thousand, five hundred forty-five".