145564 has 12 divisors (see below), whose sum is σ = 257488. Its totient is φ = 72000.

The previous prime is 145549. The next prime is 145577. The reversal of 145564 is 465541.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484 + ... + 724.

2¹⁴⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

145564 is a deficient number, since it is larger than the sum of its proper divisors (111924).

145564 is a wasteful number, since it uses less digits than its factorization.

145564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 145564 is about 381.5285048329. The cubic root of 145564 is about 52.6039060842.

The spelling of 145564 in words is "one hundred forty-five thousand, five hundred sixty-four".