142418745 has 48 divisors (see below), whose sum is σ = 287913600. Its totient is φ = 65098656.

The previous prime is 142418729. The next prime is 142418747. The reversal of 142418745 is 547814241.

It is a happy number.

142418745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142418745 - 2⁴ = 142418729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142418747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10822 + ... + 20048.

It is an arithmetic number, because the mean of its divisors is an integer number (5998200).

Almost surely, 2^142418745 is an apocalyptic number.

142418745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142418745 is an abundant number, since it is smaller than the sum of its proper divisors (145494855).

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

142418745 is an equidigital number, since it uses as much as digits as its factorization.

142418745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259 (or 9242 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 142418745 is about 11933.9325035799. The cubic root of 142418745 is about 522.2226667082. Note that the first 3 decimals are identical.

The spelling of 142418745 in words is "one hundred forty-two million, four hundred eighteen thousand, seven hundred forty-five".