145636 has 12 divisors (see below), whose sum is σ = 266112. Its totient is φ = 69608.

The previous prime is 145633. The next prime is 145637. The reversal of 145636 is 636541.

145636 is nontrivially palindromic in base 7.

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

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 145636.

It is not an unprimeable number, because it can be changed into a prime (145633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2¹⁴⁵⁶³⁶ is an apocalyptic number.

It is an amenable number.

145636 is a deficient number, since it is larger than the sum of its proper divisors (120476).

145636 is a wasteful number, since it uses less digits than its factorization.

145636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 145636 is about 381.6228504689. The cubic root of 145636 is about 52.6125777726.

It can be divided in two parts, 14563 and 6, that multiplied together give a palindrome (87378).

The spelling of 145636 in words is "one hundred forty-five thousand, six hundred thirty-six".