10140045 has 32 divisors (see below), whose sum is σ = 16896000. Its totient is φ = 5189184.

The previous prime is 10140029. The next prime is 10140047. The reversal of 10140045 is 54004101.

It is not a de Polignac number, because 10140045 - 2⁴ = 10140029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140047) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 50856 + ... + 51054.

It is an arithmetic number, because the mean of its divisors is an integer number (528000).

Almost surely, 2^10140045 is an apocalyptic number.

10140045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10140045 is a deficient number, since it is larger than the sum of its proper divisors (6755955).

10140045 is a wasteful number, since it uses less digits than its factorization.

10140045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10140045 is about 3184.3437314461. The cubic root of 10140045 is about 216.4445363171. Note that the first 3 decimals are identical.

Adding to 10140045 its reverse (54004101), we get a palindrome (64144146).

The spelling of 10140045 in words is "ten million, one hundred forty thousand, forty-five".