145678 has 12 divisors (see below), whose sum is σ = 237168. Its totient is φ = 67080.

The previous prime is 145661. The next prime is 145679. The reversal of 145678 is 876541.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123 + ... + 553.

It is an arithmetic number, because the mean of its divisors is an integer number (19764).

2¹⁴⁵⁶⁷⁸ is an apocalyptic number.

145678 is a deficient number, since it is larger than the sum of its proper divisors (91490).

145678 is a wasteful number, since it uses less digits than its factorization.

145678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 446 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 145678 is about 381.6778746535. The cubic root of 145678 is about 52.6176349376.

The spelling of 145678 in words is "one hundred forty-five thousand, six hundred seventy-eight".