542051345 has 16 divisors (see below), whose sum is σ = 716627520. Its totient is φ = 390312000.

The previous prime is 542051303. The next prime is 542051347. The reversal of 542051345 is 543150245.

It is not a de Polignac number, because 542051345 - 2²⁰ = 541002769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542051347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43235 + ... + 54344.

It is an arithmetic number, because the mean of its divisors is an integer number (44789220).

Almost surely, 2^542051345 is an apocalyptic number.

542051345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542051345 is a deficient number, since it is larger than the sum of its proper divisors (174576175).

542051345 is a wasteful number, since it uses less digits than its factorization.

542051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97696.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 542051345 is about 23281.9961558282. The cubic root of 542051345 is about 815.3551314669.

It can be divided in two parts, 5420 and 51345, that added together give a palindrome (56765).

The spelling of 542051345 in words is "five hundred forty-two million, fifty-one thousand, three hundred forty-five".