145578 has 16 divisors (see below), whose sum is σ = 306720. Its totient is φ = 45936.

The previous prime is 145577. The next prime is 145589. The reversal of 145578 is 875541.

It is a plaindrome in base 10 and base 16.

It is not an unprimeable number, because it can be changed into a prime (145577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (19170).

2¹⁴⁵⁵⁷⁸ is an apocalyptic number.

145578 is an abundant number, since it is smaller than the sum of its proper divisors (161142).

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

145578 is a wasteful number, since it uses less digits than its factorization.

145578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301.

The product of its digits is 5600, while the sum is 30.

The square root of 145578 is about 381.5468516447. The cubic root of 145578 is about 52.6055924697.

The spelling of 145578 in words is "one hundred forty-five thousand, five hundred seventy-eight".