142545533 has 8 divisors (see below), whose sum is σ = 158462976. Its totient is φ = 127335600.

The previous prime is 142545523. The next prime is 142545539. The reversal of 142545533 is 335545241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142545533 - 2¹⁰ = 142544509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142545533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142545539) 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, 176453 + ... + 177258.

It is an arithmetic number, because the mean of its divisors is an integer number (19807872).

Almost surely, 2^142545533 is an apocalyptic number.

142545533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142545533 is a deficient number, since it is larger than the sum of its proper divisors (15917443).

142545533 is a wasteful number, since it uses less digits than its factorization.

142545533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353755.

The product of its digits is 36000, while the sum is 32.

The square root of 142545533 is about 11939.2434014891. The cubic root of 142545533 is about 522.3775899686.

The spelling of 142545533 in words is "one hundred forty-two million, five hundred forty-five thousand, five hundred thirty-three".