1345444077 has 8 divisors (see below), whose sum is σ = 1794158080. Its totient is φ = 896846400.

The previous prime is 1345444049. The next prime is 1345444081. The reversal of 1345444077 is 7704445431.

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

It is not a de Polignac number, because 1345444077 - 2¹¹ = 1345442029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345448077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949 + ... + 51957.

It is an arithmetic number, because the mean of its divisors is an integer number (224269760).

Almost surely, 2^1345444077 is an apocalyptic number.

It is an amenable number.

1345444077 is a deficient number, since it is larger than the sum of its proper divisors (448714003).

1345444077 is an equidigital number, since it uses as much as digits as its factorization.

1345444077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58163.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 1345444077 is about 36680.2954868142. The cubic root of 1345444077 is about 1103.9647769888.

The spelling of 1345444077 in words is "one billion, three hundred forty-five million, four hundred forty-four thousand, seventy-seven".