542254552245 has 56 divisors (see below), whose sum is σ = 1114985074176. Its totient is φ = 247887783648.

The previous prime is 542254552219. The next prime is 542254552271. The reversal of 542254552245 is 542255452245.

542254552245 is a `hidden beast` number, since 5 + 4 + 2 + 2 + 54 + 552 + 2 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (542254552219) and next prime (542254552271).

It is not a de Polignac number, because 542254552245 - 2⁹ = 542254551733 is a prime.

It is a super-3 number, since 3×542254552245³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 542254552245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 10600677 + ... + 10651706.

Almost surely, 2^542254552245 is an apocalyptic number.

It is an amenable number.

542254552245 is an abundant number, since it is smaller than the sum of its proper divisors (572730521931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542254552245 is an equidigital number, since it uses as much as digits as its factorization.

542254552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21252413 (or 21252398 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 45.

Adding to 542254552245 its product of digits (3200000), we get a palindrome (542257752245).

The spelling of 542254552245 in words is "five hundred forty-two billion, two hundred fifty-four million, five hundred fifty-two thousand, two hundred forty-five".