7159045 has 4 divisors (see below), whose sum is σ = 8590860. Its totient is φ = 5727232.

The previous prime is 7159039. The next prime is 7159063. The reversal of 7159045 is 5409517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3944196 + 3214849 = 1986^2 + 1793^2 .

It is a cyclic number.

It is not a de Polignac number, because 7159045 - 2⁵ = 7159013 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7158998 and 7159016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715900 + ... + 715909.

It is an arithmetic number, because the mean of its divisors is an integer number (2147715).

Almost surely, 2^7159045 is an apocalyptic number.

It is an amenable number.

7159045 is a deficient number, since it is larger than the sum of its proper divisors (1431815).

7159045 is a wasteful number, since it uses less digits than its factorization.

7159045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431814.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 7159045 is about 2675.6391759727. The cubic root of 7159045 is about 192.7310544300.

The spelling of 7159045 in words is "seven million, one hundred fifty-nine thousand, forty-five".