5439145 has 4 divisors (see below), whose sum is σ = 6526980. Its totient is φ = 4351312.

The previous prime is 5439139. The next prime is 5439163. The reversal of 5439145 is 5419345.

5439145 = 733² + 734² + ... + 742².

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 725904 + 4713241 = 852^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 5439145 - 2¹⁵ = 5406377 is a prime.

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, 543910 + ... + 543919.

It is an arithmetic number, because the mean of its divisors is an integer number (1631745).

Almost surely, 2^5439145 is an apocalyptic number.

It is an amenable number.

5439145 is a deficient number, since it is larger than the sum of its proper divisors (1087835).

5439145 is a wasteful number, since it uses less digits than its factorization.

5439145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087834.

The product of its digits is 10800, while the sum is 31.

The square root of 5439145 is about 2332.1974616228. The cubic root of 5439145 is about 175.8639724590.

The spelling of 5439145 in words is "five million, four hundred thirty-nine thousand, one hundred forty-five".