27146145 has 32 divisors (see below), whose sum is σ = 47440512. Its totient is φ = 13174272.

The previous prime is 27146143. The next prime is 27146167. The reversal of 27146145 is 54164172.

It is not a de Polignac number, because 27146145 - 2¹ = 27146143 is a prime.

It is a super-2 number, since 2×27146145² = 1473826376722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27146143) 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, 13282 + ... + 15188.

It is an arithmetic number, because the mean of its divisors is an integer number (1482516).

Almost surely, 2^27146145 is an apocalyptic number.

It is an amenable number.

27146145 is a deficient number, since it is larger than the sum of its proper divisors (20294367).

27146145 is a wasteful number, since it uses less digits than its factorization.

27146145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its digits is 6720, while the sum is 30.

The square root of 27146145 is about 5210.1962535014. The cubic root of 27146145 is about 300.5403040985.

The spelling of 27146145 in words is "twenty-seven million, one hundred forty-six thousand, one hundred forty-five".