1345444011 has 12 divisors (see below), whose sum is σ = 1944563088. Its totient is φ = 896434704.

The previous prime is 1345444003. The next prime is 1345444019. The reversal of 1345444011 is 1104445431.

It is an interprime number because it is at equal distance from previous prime (1345444003) and next prime (1345444019).

It is not a de Polignac number, because 1345444011 - 2³ = 1345444003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345444019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27535 + ... + 58728.

It is an arithmetic number, because the mean of its divisors is an integer number (162046924).

Almost surely, 2^1345444011 is an apocalyptic number.

1345444011 is a deficient number, since it is larger than the sum of its proper divisors (599119077).

1345444011 is a wasteful number, since it uses less digits than its factorization.

1345444011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88002 (or 87999 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1345444011 is about 36680.2945871486. The cubic root of 1345444011 is about 1103.9647589373.

Adding to 1345444011 its reverse (1104445431), we get a palindrome (2449889442).

The spelling of 1345444011 in words is "one billion, three hundred forty-five million, four hundred forty-four thousand, eleven".