147564 has 18 divisors (see below), whose sum is σ = 373100. Its totient is φ = 49176.

The previous prime is 147557. The next prime is 147571. The reversal of 147564 is 465741.

It is an interprime number because it is at equal distance from previous prime (147557) and next prime (147571).

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147564.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014 + ... + 2085.

2¹⁴⁷⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

147564 is an abundant number, since it is smaller than the sum of its proper divisors (225536).

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

147564 is a wasteful number, since it uses less digits than its factorization.

147564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109 (or 4104 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 147564 is about 384.1405992602. The cubic root of 147564 is about 52.8437309879.

The spelling of 147564 in words is "one hundred forty-seven thousand, five hundred sixty-four".