542154493 has 12 divisors (see below), whose sum is σ = 575564508. Its totient is φ = 510592320.

The previous prime is 542154461. The next prime is 542154517. The reversal of 542154493 is 394451245.

It is a happy number.

542154493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 471628089 + 70526404 = 21717^2 + 8398^2 .

It is not a de Polignac number, because 542154493 - 2⁵ = 542154461 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 (542154433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58113 + ... + 66793.

It is an arithmetic number, because the mean of its divisors is an integer number (47963709).

Almost surely, 2^542154493 is an apocalyptic number.

It is an amenable number.

542154493 is a deficient number, since it is larger than the sum of its proper divisors (33410015).

542154493 is a wasteful number, since it uses less digits than its factorization.

542154493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892 (or 8873 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 542154493 is about 23284.2112385195. The cubic root of 542154493 is about 815.4068466890.

The spelling of 542154493 in words is "five hundred forty-two million, one hundred fifty-four thousand, four hundred ninety-three".