142000454 has 8 divisors (see below), whose sum is σ = 214533480. Its totient is φ = 70489296.

The previous prime is 142000451. The next prime is 142000483. The reversal of 142000454 is 454000241.

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

It is a super-2 number, since 2×142000454² = 40328257872412232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000451) 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, 255119 + ... + 255674.

It is an arithmetic number, because the mean of its divisors is an integer number (26816685).

Almost surely, 2^142000454 is an apocalyptic number.

142000454 is a deficient number, since it is larger than the sum of its proper divisors (72533026).

142000454 is a wasteful number, since it uses less digits than its factorization.

142000454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510934.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 142000454 is about 11916.3943372146. The cubic root of 142000454 is about 521.7109006282.

Adding to 142000454 its reverse (454000241), we get a palindrome (596000695).

The spelling of 142000454 in words is "one hundred forty-two million, four hundred fifty-four", and thus it is an aban number.