105054542 has 4 divisors (see below), whose sum is σ = 157581816. Its totient is φ = 52527270.

The previous prime is 105054539. The next prime is 105054569. The reversal of 105054542 is 245450501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245450501 = 3407 ⋅72043.

It is a super-2 number, since 2×105054542² = 22072913589659528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263634 + ... + 26263637.

It is an arithmetic number, because the mean of its divisors is an integer number (39395454).

Almost surely, 2^105054542 is an apocalyptic number.

105054542 is a deficient number, since it is larger than the sum of its proper divisors (52527274).

105054542 is an equidigital number, since it uses as much as digits as its factorization.

105054542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52527273.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105054542 is about 10249.6117975268. The cubic root of 105054542 is about 471.8510703886.

The spelling of 105054542 in words is "one hundred five million, fifty-four thousand, five hundred forty-two".