542105454 has 32 divisors (see below), whose sum is σ = 1245029760. Its totient is φ = 155628000.

The previous prime is 542105441. The next prime is 542105467. The reversal of 542105454 is 454501245.

It is an interprime number because it is at equal distance from previous prime (542105441) and next prime (542105467).

It is a super-2 number, since 2×542105454² = 587756646513092232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214897 + ... + 217404.

It is an arithmetic number, because the mean of its divisors is an integer number (38907180).

Almost surely, 2^542105454 is an apocalyptic number.

542105454 is an abundant number, since it is smaller than the sum of its proper divisors (702924306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542105454 is a wasteful number, since it uses less digits than its factorization.

542105454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432336.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 542105454 is about 23283.1581620707. The cubic root of 542105454 is about 815.3822608667.

Adding to 542105454 its reverse (454501245), we get a palindrome (996606699).

The spelling of 542105454 in words is "five hundred forty-two million, one hundred five thousand, four hundred fifty-four".