26143145 has 16 divisors (see below), whose sum is σ = 37741440. Its totient is φ = 16982784.

The previous prime is 26143141. The next prime is 26143147. The reversal of 26143145 is 54134162.

It is not a de Polignac number, because 26143145 - 2² = 26143141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26143141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18992 + ... + 20321.

It is an arithmetic number, because the mean of its divisors is an integer number (2358840).

Almost surely, 2^26143145 is an apocalyptic number.

It is an amenable number.

26143145 is a deficient number, since it is larger than the sum of its proper divisors (11598295).

26143145 is a wasteful number, since it uses less digits than its factorization.

26143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39344.

The product of its digits is 2880, while the sum is 26.

The square root of 26143145 is about 5113.0367688879. The cubic root of 26143145 is about 296.7922871328.

The spelling of 26143145 in words is "twenty-six million, one hundred forty-three thousand, one hundred forty-five".