142040454 has 16 divisors (see below), whose sum is σ = 284742192. Its totient is φ = 47236608.

The previous prime is 142040449. The next prime is 142040461. The reversal of 142040454 is 454040241.

It is a happy number.

142040454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142040454² = 40350981145052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24739 + ... + 29934.

It is an arithmetic number, because the mean of its divisors is an integer number (17796387).

Almost surely, 2^142040454 is an apocalyptic number.

142040454 is an abundant number, since it is smaller than the sum of its proper divisors (142701738).

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

142040454 is a wasteful number, since it uses less digits than its factorization.

142040454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55111.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 142040454 is about 11918.0725790708. The cubic root of 142040454 is about 521.7598828116.

Adding to 142040454 its reverse (454040241), we get a palindrome (596080695).

The spelling of 142040454 in words is "one hundred forty-two million, forty thousand, four hundred fifty-four".