542145311 has 4 divisors (see below), whose sum is σ = 542244000. Its totient is φ = 542046624.

The previous prime is 542145301. The next prime is 542145313. The reversal of 542145311 is 113541245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542145311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542145313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40586 + ... + 52263.

It is an arithmetic number, because the mean of its divisors is an integer number (135561000).

Almost surely, 2^542145311 is an apocalyptic number.

542145311 is a deficient number, since it is larger than the sum of its proper divisors (98689).

542145311 is an equidigital number, since it uses as much as digits as its factorization.

542145311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98688.

The product of its digits is 2400, while the sum is 26.

The square root of 542145311 is about 23284.0140654484. The cubic root of 542145311 is about 815.4022433837.

Adding to 542145311 its reverse (113541245), we get a palindrome (655686556).

The spelling of 542145311 in words is "five hundred forty-two million, one hundred forty-five thousand, three hundred eleven".