142890463 has 4 divisors (see below), whose sum is σ = 142980880. Its totient is φ = 142800048.

The previous prime is 142890443. The next prime is 142890497. The reversal of 142890463 is 364098241.

142890463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142890463 - 2⁹ = 142889951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142890403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42795 + ... + 46012.

It is an arithmetic number, because the mean of its divisors is an integer number (35745220).

Almost surely, 2^142890463 is an apocalyptic number.

142890463 is a deficient number, since it is larger than the sum of its proper divisors (90417).

142890463 is an equidigital number, since it uses as much as digits as its factorization.

142890463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90416.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 142890463 is about 11953.6798936562. The cubic root of 142890463 is about 522.7985982783.

The spelling of 142890463 in words is "one hundred forty-two million, eight hundred ninety thousand, four hundred sixty-three".