542345543245 has 64 divisors (see below), whose sum is σ = 727267166208. Its totient is φ = 384943104000.

The previous prime is 542345543227. The next prime is 542345543249.

It is a happy number.

542345543245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542345543245 - 2⁹ = 542345542733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542345543195 and 542345543204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542345543249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253076644 + ... + 253078786.

It is an arithmetic number, because the mean of its divisors is an integer number (11363549472).

Almost surely, 2^542345543245 is an apocalyptic number.

542345543245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542345543245 is a deficient number, since it is larger than the sum of its proper divisors (184921622963).

542345543245 is a wasteful number, since it uses less digits than its factorization.

542345543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its digits is 5760000, while the sum is 46.

The spelling of 542345543245 in words is "five hundred forty-two billion, three hundred forty-five million, five hundred forty-three thousand, two hundred forty-five".