145698 has 16 divisors (see below), whose sum is σ = 333120. Its totient is φ = 41616.

The previous prime is 145687. The next prime is 145703. The reversal of 145698 is 896541.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (20820).

2¹⁴⁵⁶⁹⁸ is an apocalyptic number.

145698 is an abundant number, since it is smaller than the sum of its proper divisors (187422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145698 is a wasteful number, since it uses less digits than its factorization.

145698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its digits is 8640, while the sum is 33.

The square root of 145698 is about 381.7040738583. The cubic root of 145698 is about 52.6200427698.

The spelling of 145698 in words is "one hundred forty-five thousand, six hundred ninety-eight".