142565472 has 72 divisors (see below), whose sum is σ = 463344336. Its totient is φ = 40732416.

The previous prime is 142565471. The next prime is 142565513. The reversal of 142565472 is 274565241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142565471) 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, 33343 + ... + 37374.

It is an arithmetic number, because the mean of its divisors is an integer number (6435338).

Almost surely, 2^142565472 is an apocalyptic number.

142565472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142565472 is an abundant number, since it is smaller than the sum of its proper divisors (320778864).

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

142565472 is a wasteful number, since it uses less digits than its factorization.

142565472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70740 (or 70729 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 142565472 is about 11940.0783917025. The cubic root of 142565472 is about 522.4019452300.

The spelling of 142565472 in words is "one hundred forty-two million, five hundred sixty-five thousand, four hundred seventy-two".