1421453255 has 4 divisors (see below), whose sum is σ = 1705743912. Its totient is φ = 1137162600.

The previous prime is 1421453239. The next prime is 1421453263. The reversal of 1421453255 is 5523541241.

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

It is not a de Polignac number, because 1421453255 - 2⁴ = 1421453239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142145321 + ... + 142145330.

It is an arithmetic number, because the mean of its divisors is an integer number (426435978).

Almost surely, 2^1421453255 is an apocalyptic number.

1421453255 is a deficient number, since it is larger than the sum of its proper divisors (284290657).

1421453255 is an equidigital number, since it uses as much as digits as its factorization.

1421453255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284290656.

The product of its digits is 24000, while the sum is 32.

The square root of 1421453255 is about 37702.1651235045. The cubic root of 1421453255 is about 1124.3741717568.

Adding to 1421453255 its reverse (5523541241), we get a palindrome (6944994496).

The spelling of 1421453255 in words is "one billion, four hundred twenty-one million, four hundred fifty-three thousand, two hundred fifty-five".