5145855 has 32 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 2302080.

The previous prime is 5145851. The next prime is 5145871. The reversal of 5145855 is 5585415.

It is not a de Polignac number, because 5145855 - 2² = 5145851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145851) 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, 946 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^5145855 is an apocalyptic number.

5145855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5145855 is a deficient number, since it is larger than the sum of its proper divisors (4530945).

5145855 is a wasteful number, since it uses less digits than its factorization.

5145855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its digits is 20000, while the sum is 33.

The square root of 5145855 is about 2268.4477071337. The cubic root of 5145855 is about 172.6444075366.

The spelling of 5145855 in words is "five million, one hundred forty-five thousand, eight hundred fifty-five".