7140045 has 32 divisors (see below), whose sum is σ = 12608640. Its totient is φ = 3421440.

The previous prime is 7140041. The next prime is 7140047. The reversal of 7140045 is 5400417.

7140045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7140045 - 2² = 7140041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17787 + ... + 18183.

It is an arithmetic number, because the mean of its divisors is an integer number (394020).

Almost surely, 2^7140045 is an apocalyptic number.

It is an amenable number.

7140045 is a deficient number, since it is larger than the sum of its proper divisors (5468595).

7140045 is a wasteful number, since it uses less digits than its factorization.

7140045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7140045 is about 2672.0862635776. The cubic root of 7140045 is about 192.5604015774.

The spelling of 7140045 in words is "seven million, one hundred forty thousand, forty-five".