1011342445 has 4 divisors (see below), whose sum is σ = 1213610940. Its totient is φ = 809073952.

The previous prime is 1011342443. The next prime is 1011342473. The reversal of 1011342445 is 5442431101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 753996681 + 257345764 = 27459^2 + 16042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011342445 - 2¹ = 1011342443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011342443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101134240 + ... + 101134249.

It is an arithmetic number, because the mean of its divisors is an integer number (303402735).

Almost surely, 2^1011342445 is an apocalyptic number.

It is an amenable number.

1011342445 is a deficient number, since it is larger than the sum of its proper divisors (202268495).

1011342445 is an equidigital number, since it uses as much as digits as its factorization.

1011342445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202268494.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1011342445 is about 31801.6107296470. The cubic root of 1011342445 is about 1003.7666098376.

Adding to 1011342445 its reverse (5442431101), we get a palindrome (6453773546).

The spelling of 1011342445 in words is "one billion, eleven million, three hundred forty-two thousand, four hundred forty-five".