142053454 has 4 divisors (see below), whose sum is σ = 213080184. Its totient is φ = 71026726.

The previous prime is 142053419. The next prime is 142053511. The reversal of 142053454 is 454350241.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35513362 + ... + 35513365.

It is an arithmetic number, because the mean of its divisors is an integer number (53270046).

Almost surely, 2^142053454 is an apocalyptic number.

142053454 is a deficient number, since it is larger than the sum of its proper divisors (71026730).

142053454 is an equidigital number, since it uses as much as digits as its factorization.

142053454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71026729.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 142053454 is about 11918.6179567935. The cubic root of 142053454 is about 521.7758000412.

The spelling of 142053454 in words is "one hundred forty-two million, fifty-three thousand, four hundred fifty-four".