1101445042 has 8 divisors (see below), whose sum is σ = 1652309532. Its totient is φ = 550675200.

The previous prime is 1101445003. The next prime is 1101445057. The reversal of 1101445042 is 2405441011.

It can be written as a sum of positive squares in 2 ways, for example, as 772784401 + 328660641 = 27799^2 + 18129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27942 + ... + 54622.

Almost surely, 2^1101445042 is an apocalyptic number.

1101445042 is a deficient number, since it is larger than the sum of its proper divisors (550864490).

1101445042 is a wasteful number, since it uses less digits than its factorization.

1101445042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47324.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1101445042 is about 33188.0255815256. The cubic root of 1101445042 is about 1032.7319443659.

Adding to 1101445042 its reverse (2405441011), we get a palindrome (3506886053).

The spelling of 1101445042 in words is "one billion, one hundred one million, four hundred forty-five thousand, forty-two".