26146145 has 16 divisors (see below), whose sum is σ = 32123520. Its totient is φ = 20423424.

The previous prime is 26146129. The next prime is 26146163. The reversal of 26146145 is 54164162.

26146145 = 93² + 94² + ... + 429².

It is a cyclic number.

It is not a de Polignac number, because 26146145 - 2⁴ = 26146129 is a prime.

It is a super-2 number, since 2×26146145² = 1367241796722050, which contains 22 as substring.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77417 + ... + 77753.

It is an arithmetic number, because the mean of its divisors is an integer number (2007720).

Almost surely, 2^26146145 is an apocalyptic number.

It is an amenable number.

26146145 is a deficient number, since it is larger than the sum of its proper divisors (5977375).

26146145 is a wasteful number, since it uses less digits than its factorization.

26146145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its digits is 5760, while the sum is 29.

The square root of 26146145 is about 5113.3301282041. The cubic root of 26146145 is about 296.8036392840.

The spelling of 26146145 in words is "twenty-six million, one hundred forty-six thousand, one hundred forty-five".