105672542 has 4 divisors (see below), whose sum is σ = 158508816. Its totient is φ = 52836270.

The previous prime is 105672517. The next prime is 105672551. The reversal of 105672542 is 245276501.

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

It is a super-2 number, since 2×105672542² = 22333372265483528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105672499 and 105672508.

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, 26418134 + ... + 26418137.

It is an arithmetic number, because the mean of its divisors is an integer number (39627204).

Almost surely, 2^105672542 is an apocalyptic number.

105672542 is a deficient number, since it is larger than the sum of its proper divisors (52836274).

105672542 is an equidigital number, since it uses as much as digits as its factorization.

105672542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52836273.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 105672542 is about 10279.7150738724. The cubic root of 105672542 is about 472.7745082372.

The spelling of 105672542 in words is "one hundred five million, six hundred seventy-two thousand, five hundred forty-two".