1420255178345 has 16 divisors (see below), whose sum is σ = 1705503520080. Its totient is φ = 1135406227200.

The previous prime is 1420255178327. The next prime is 1420255178351. The reversal of 1420255178345 is 5438715520241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1058454131344 + 361801047001 = 1028812^2 + 601499^2 .

It is not a de Polignac number, because 1420255178345 - 2²⁴ = 1420238401129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420255178345.

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, 47855171 + ... + 47884839.

It is an arithmetic number, because the mean of its divisors is an integer number (106593970005).

Almost surely, 2^{1420255178345} is an apocalyptic number.

It is an amenable number.

1420255178345 is a deficient number, since it is larger than the sum of its proper divisors (285248341735).

1420255178345 is a wasteful number, since it uses less digits than its factorization.

1420255178345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36076.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 1420255178345 in words is "one trillion, four hundred twenty billion, two hundred fifty-five million, one hundred seventy-eight thousand, three hundred forty-five".