5145405 has 32 divisors (see below), whose sum is σ = 8638464. Its totient is φ = 2612736.

The previous prime is 5145403. The next prime is 5145433. The reversal of 5145405 is 5045415.

It is not a de Polignac number, because 5145405 - 2¹ = 5145403 is a prime.

It is a super-2 number, since 2×5145405² = 52950385228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145403) 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, 40452 + ... + 40578.

It is an arithmetic number, because the mean of its divisors is an integer number (269952).

Almost surely, 2^5145405 is an apocalyptic number.

It is an amenable number.

5145405 is a deficient number, since it is larger than the sum of its proper divisors (3493059).

5145405 is a wasteful number, since it uses less digits than its factorization.

5145405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5145405 is about 2268.3485181956. The cubic root of 5145405 is about 172.6393748616.

The spelling of 5145405 in words is "five million, one hundred forty-five thousand, four hundred five".