142532454 has 32 divisors (see below), whose sum is σ = 304166016. Its totient is φ = 44370560.

The previous prime is 142532371. The next prime is 142532483. The reversal of 142532454 is 454235241.

142532454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (9505188).

Almost surely, 2^142532454 is an apocalyptic number.

142532454 is an abundant number, since it is smaller than the sum of its proper divisors (161633562).

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

142532454 is a wasteful number, since it uses less digits than its factorization.

142532454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820.

The product of its digits is 19200, while the sum is 30.

The square root of 142532454 is about 11938.6956573991. The cubic root of 142532454 is about 522.3616128855.

Adding to 142532454 its reverse (454235241), we get a palindrome (596767695).

The spelling of 142532454 in words is "one hundred forty-two million, five hundred thirty-two thousand, four hundred fifty-four".