1344545077 has 4 divisors (see below), whose sum is σ = 1356443820. Its totient is φ = 1332646336.

The previous prime is 1344545057. The next prime is 1344545107. The reversal of 1344545077 is 7705454431.

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 51351556 + 1293193521 = 7166^2 + 35961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344545077 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 (1344545057) 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, 5949202 + ... + 5949427.

It is an arithmetic number, because the mean of its divisors is an integer number (339110955).

Almost surely, 2^1344545077 is an apocalyptic number.

It is an amenable number.

1344545077 is a deficient number, since it is larger than the sum of its proper divisors (11898743).

1344545077 is a wasteful number, since it uses less digits than its factorization.

1344545077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898742.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 1344545077 is about 36668.0389031102. The cubic root of 1344545077 is about 1103.7188394870.

The spelling of 1344545077 in words is "one billion, three hundred forty-four million, five hundred forty-five thousand, seventy-seven".