27050145 has 64 divisors (see below), whose sum is σ = 48854016. Its totient is φ = 12718080.

The previous prime is 27050137. The next prime is 27050147. The reversal of 27050145 is 54105072.

It is not a de Polignac number, because 27050145 - 2³ = 27050137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27050147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443415 + ... + 443475.

It is an arithmetic number, because the mean of its divisors is an integer number (763344).

Almost surely, 2^27050145 is an apocalyptic number.

It is an amenable number.

27050145 is a deficient number, since it is larger than the sum of its proper divisors (21803871).

27050145 is a wasteful number, since it uses less digits than its factorization.

27050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 27050145 is about 5200.9753892900. The cubic root of 27050145 is about 300.1856073649.

The spelling of 27050145 in words is "twenty-seven million, fifty thousand, one hundred forty-five".