1105142542 has 16 divisors (see below), whose sum is σ = 1895870592. Its totient is φ = 473297400.

The previous prime is 1105142503. The next prime is 1105142557. The reversal of 1105142542 is 2452415011.

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, 6888 + ... + 47515.

It is an arithmetic number, because the mean of its divisors is an integer number (118491912).

Almost surely, 2^1105142542 is an apocalyptic number.

1105142542 is a deficient number, since it is larger than the sum of its proper divisors (790728050).

1105142542 is a wasteful number, since it uses less digits than its factorization.

1105142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55863.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1105142542 is about 33243.6842422737. The cubic root of 1105142542 is about 1033.8862647655.

Adding to 1105142542 its reverse (2452415011), we get a palindrome (3557557553).

The spelling of 1105142542 in words is "one billion, one hundred five million, one hundred forty-two thousand, five hundred forty-two".