145618 has 8 divisors (see below), whose sum is σ = 238320. Its totient is φ = 66180.

The previous prime is 145603. The next prime is 145633. The reversal of 145618 is 816541.

It is an interprime number because it is at equal distance from previous prime (145603) and next prime (145633).

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

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 145592 and 145601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3288 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (29790).

2¹⁴⁵⁶¹⁸ is an apocalyptic number.

145618 is a deficient number, since it is larger than the sum of its proper divisors (92702).

145618 is a wasteful number, since it uses less digits than its factorization.

145618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632.

The product of its digits is 960, while the sum is 25.

The square root of 145618 is about 381.5992662467. The cubic root of 145618 is about 52.6104101185.

The spelling of 145618 in words is "one hundred forty-five thousand, six hundred eighteen".