1420345455243 has 128 divisors (see below), whose sum is σ = 2294562816000. Its totient is φ = 770079744000.

The previous prime is 1420345455173. The next prime is 1420345455281. The reversal of 1420345455243 is 3425545430241.

It is not a de Polignac number, because 1420345455243 - 2²⁵ = 1420311900811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420345455195 and 1420345455204.

It is not an unprimeable number, because it can be changed into a prime (1420345455343) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1367030718 + ... + 1367031756.

It is an arithmetic number, because the mean of its divisors is an integer number (17926272000).

Almost surely, 2^{1420345455243} is an apocalyptic number.

1420345455243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1420345455243 is a deficient number, since it is larger than the sum of its proper divisors (874217360757).

1420345455243 is a wasteful number, since it uses less digits than its factorization.

1420345455243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 1420345455243 in words is "one trillion, four hundred twenty billion, three hundred forty-five million, four hundred fifty-five thousand, two hundred forty-three".