542203375545 has 96 divisors (see below), whose sum is σ = 1046094739872. Its totient is φ = 258060681216.

The previous prime is 542203375543. The next prime is 542203375591. The reversal of 542203375545 is 545573302245.

542203375545 is a `hidden beast` number, since 5 + 4 + 2 + 2 + 0 + 33 + 75 + 545 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 116572396329 + 425630979216 = 341427^2 + 652404^2 .

It is not a de Polignac number, because 542203375545 - 2¹ = 542203375543 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542203375545.

It is not an unprimeable number, because it can be changed into a prime (542203375543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3318489 + ... + 3478041.

It is an arithmetic number, because the mean of its divisors is an integer number (10896820207).

Almost surely, 2^542203375545 is an apocalyptic number.

It is an amenable number.

542203375545 is a deficient number, since it is larger than the sum of its proper divisors (503891364327).

542203375545 is a wasteful number, since it uses less digits than its factorization.

542203375545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159771 (or 159768 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 45.

The spelling of 542203375545 in words is "five hundred forty-two billion, two hundred three million, three hundred seventy-five thousand, five hundred forty-five".