1448357345 has 4 divisors (see below), whose sum is σ = 1738028820. Its totient is φ = 1158685872.

The previous prime is 1448357333. The next prime is 1448357363. The reversal of 1448357345 is 5437538441.

It is a happy number.

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 948208849 + 500148496 = 30793^2 + 22364^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448357345 - 2²⁰ = 1447308769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1448357296 and 1448357305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144835730 + ... + 144835739.

It is an arithmetic number, because the mean of its divisors is an integer number (434507205).

Almost surely, 2^1448357345 is an apocalyptic number.

It is an amenable number.

1448357345 is a deficient number, since it is larger than the sum of its proper divisors (289671475).

1448357345 is an equidigital number, since it uses as much as digits as its factorization.

1448357345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289671474.

The product of its digits is 806400, while the sum is 44.

The square root of 1448357345 is about 38057.2903002828. The cubic root of 1448357345 is about 1131.4236227311.

The spelling of 1448357345 in words is "one billion, four hundred forty-eight million, three hundred fifty-seven thousand, three hundred forty-five".