145863 has 12 divisors (see below), whose sum is σ = 222040. Its totient is φ = 92016.

The previous prime is 145861. The next prime is 145879. The reversal of 145863 is 368541.

It is not a de Polignac number, because 145863 - 2¹ = 145861 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁸ + 8 + 5⁷ + 6 + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256 + ... + 597.

2¹⁴⁵⁸⁶³ is an apocalyptic number.

145863 is a deficient number, since it is larger than the sum of its proper divisors (76177).

145863 is a wasteful number, since it uses less digits than its factorization.

145863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 875 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 145863 is about 381.9201487222. The cubic root of 145863 is about 52.6398989829.

It can be divided in two parts, 1458 and 63, that added together give a square (1521 = 39²).

The spelling of 145863 in words is "one hundred forty-five thousand, eight hundred sixty-three".