5400145 has 4 divisors (see below), whose sum is σ = 6480180. Its totient is φ = 4320112.

The previous prime is 5400137. The next prime is 5400209. The reversal of 5400145 is 5410045.

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 2455489 + 2944656 = 1567^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400145 - 2³ = 5400137 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, 540010 + ... + 540019.

It is an arithmetic number, because the mean of its divisors is an integer number (1620045).

Almost surely, 2^5400145 is an apocalyptic number.

It is an amenable number.

5400145 is a deficient number, since it is larger than the sum of its proper divisors (1080035).

5400145 is a wasteful number, since it uses less digits than its factorization.

5400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080034.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5400145 is about 2323.8212065475. The cubic root of 5400145 is about 175.4426345845.

The spelling of 5400145 in words is "five million, four hundred thousand, one hundred forty-five".