142455000 has 80 divisors (see below), whose sum is σ = 445076280. Its totient is φ = 37984000.

The previous prime is 142454987. The next prime is 142455007. The reversal of 142455000 is 554241.

142455000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10252 + ... + 19748.

Almost surely, 2^142455000 is an apocalyptic number.

142455000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222538140).

142455000 is an abundant number, since it is smaller than the sum of its proper divisors (302621280).

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

142455000 is an equidigital number, since it uses as much as digits as its factorization.

142455000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526 (or 9507 counting only the distinct ones).

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

The square root of 142455000 is about 11935.4513948991. The cubic root of 142455000 is about 522.2669763633.

The spelling of 142455000 in words is "one hundred forty-two million, four hundred fifty-five thousand".