140422454 has 4 divisors (see below), whose sum is σ = 210633684. Its totient is φ = 70211226.

The previous prime is 140422423. The next prime is 140422489. The reversal of 140422454 is 454224041.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 35105612 + ... + 35105615.

It is an arithmetic number, because the mean of its divisors is an integer number (52658421).

Almost surely, 2^140422454 is an apocalyptic number.

140422454 is a deficient number, since it is larger than the sum of its proper divisors (70211230).

140422454 is an equidigital number, since it uses as much as digits as its factorization.

140422454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70211229.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 140422454 is about 11849.9980590716. The cubic root of 140422454 is about 519.7711690394.

Adding to 140422454 its reverse (454224041), we get a palindrome (594646495).

The spelling of 140422454 in words is "one hundred forty million, four hundred twenty-two thousand, four hundred fifty-four".