142455 has 8 divisors (see below), whose sum is σ = 227952. Its totient is φ = 75968.

The previous prime is 142453. The next prime is 142469. The reversal of 142455 is 554241.

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

It is a cyclic number.

It is not a de Polignac number, because 142455 - 2¹ = 142453 is a prime.

142455 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142455.

It is not an unprimeable number, because it can be changed into a prime (142453) 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, 4734 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (28494).

2¹⁴²⁴⁵⁵ is an apocalyptic number.

142455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142455 is a deficient number, since it is larger than the sum of its proper divisors (85497).

142455 is an equidigital number, since it uses as much as digits as its factorization.

142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505.

The product of its digits is 800, while the sum is 21.

The square root of 142455 is about 377.4321131012. The cubic root of 142455 is about 52.2266976363.

Adding to 142455 its reverse (554241), we get a palindrome (696696).

The spelling of 142455 in words is "one hundred forty-two thousand, four hundred fifty-five".