105204542 has 16 divisors (see below), whose sum is σ = 162364272. Its totient is φ = 51088320.

The previous prime is 105204481. The next prime is 105204557. The reversal of 105204542 is 245402501.

It is a happy number.

It is a super-2 number, since 2×105204542² = 22135991314859528, 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 in 7 ways as a sum of consecutive naturals, for example, 59138 + ... + 60890.

It is an arithmetic number, because the mean of its divisors is an integer number (10147767).

Almost surely, 2^105204542 is an apocalyptic number.

105204542 is a deficient number, since it is larger than the sum of its proper divisors (57159730).

105204542 is a wasteful number, since it uses less digits than its factorization.

105204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 105204542 is about 10256.9265377110. The cubic root of 105204542 is about 472.0755379200.

The spelling of 105204542 in words is "one hundred five million, two hundred four thousand, five hundred forty-two".