145605427 has 8 divisors (see below), whose sum is σ = 158946480. Its totient is φ = 132281760.

The previous prime is 145605413. The next prime is 145605431. The reversal of 145605427 is 724506541.

145605427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145605427 - 2¹¹ = 145603379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145605392 and 145605401.

It is not an unprimeable number, because it can be changed into a prime (145605407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18349 + ... + 25057.

It is an arithmetic number, because the mean of its divisors is an integer number (19868310).

Almost surely, 2^145605427 is an apocalyptic number.

145605427 is a deficient number, since it is larger than the sum of its proper divisors (13341053).

145605427 is a wasteful number, since it uses less digits than its factorization.

145605427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 145605427 is about 12066.7073802260. The cubic root of 145605427 is about 526.0889590610.

The spelling of 145605427 in words is "one hundred forty-five million, six hundred five thousand, four hundred twenty-seven".