1344120445 has 16 divisors (see below), whose sum is σ = 1651776192. Its totient is φ = 1049448960.

The previous prime is 1344120431. The next prime is 1344120461. The reversal of 1344120445 is 5440214431.

It is not a de Polignac number, because 1344120445 - 2¹¹ = 1344118397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517069 + ... + 519661.

It is an arithmetic number, because the mean of its divisors is an integer number (103236012).

Almost surely, 2^1344120445 is an apocalyptic number.

It is an amenable number.

1344120445 is a deficient number, since it is larger than the sum of its proper divisors (307655747).

1344120445 is a wasteful number, since it uses less digits than its factorization.

1344120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1344120445 is about 36662.2482262068. The cubic root of 1344120445 is about 1103.6026357009.

Adding to 1344120445 its reverse (5440214431), we get a palindrome (6784334876).

The spelling of 1344120445 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, four hundred forty-five".