27150345 has 24 divisors (see below), whose sum is σ = 47189376. Its totient is φ = 14440608.

The previous prime is 27150317. The next prime is 27150353. The reversal of 27150345 is 54305172.

It is a happy number.

27150345 is a `hidden beast` number, since 271 + 50 + 345 = 666.

It is not a de Polignac number, because 27150345 - 2⁷ = 27150217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24064 + ... + 25166.

It is an arithmetic number, because the mean of its divisors is an integer number (1966224).

Almost surely, 2^27150345 is an apocalyptic number.

It is an amenable number.

27150345 is a deficient number, since it is larger than the sum of its proper divisors (20039031).

27150345 is a wasteful number, since it uses less digits than its factorization.

27150345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 27150345 is about 5210.5992937473. The cubic root of 27150345 is about 300.5558029743. Note that the first 3 decimals are identical.

It can be divided in two parts, 27150 and 345, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 27150345 in words is "twenty-seven million, one hundred fifty thousand, three hundred forty-five".