1344545073 has 24 divisors (see below), whose sum is σ = 1957063680. Its totient is φ = 889491840.

The previous prime is 1344545057. The next prime is 1344545107. The reversal of 1344545073 is 3705454431.

1344545073 is a `hidden beast` number, since 1 + 3 + 44 + 545 + 0 + 73 = 666.

It is not a de Polignac number, because 1344545073 - 2⁴ = 1344545057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344545173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018708 + ... + 1020026.

It is an arithmetic number, because the mean of its divisors is an integer number (81544320).

Almost surely, 2^1344545073 is an apocalyptic number.

It is an amenable number.

1344545073 is a deficient number, since it is larger than the sum of its proper divisors (612518607).

1344545073 is a wasteful number, since it uses less digits than its factorization.

1344545073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 1344545073 is about 36668.0388485667. The cubic root of 1344545073 is about 1103.7188383925.

The spelling of 1344545073 in words is "one billion, three hundred forty-four million, five hundred forty-five thousand, seventy-three".