1449705145 has 8 divisors (see below), whose sum is σ = 1988167104. Its totient is φ = 994083504.

The previous prime is 1449705143. The next prime is 1449705151. The reversal of 1449705145 is 5415079441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1449705145 - 2¹ = 1449705143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449705098 and 1449705107.

It is not an unprimeable number, because it can be changed into a prime (1449705143) 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, 20710039 + ... + 20710108.

It is an arithmetic number, because the mean of its divisors is an integer number (248520888).

Almost surely, 2^1449705145 is an apocalyptic number.

It is an amenable number.

1449705145 is a deficient number, since it is larger than the sum of its proper divisors (538461959).

1449705145 is an equidigital number, since it uses as much as digits as its factorization.

1449705145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41420159.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1449705145 is about 38074.9936966508. The cubic root of 1449705145 is about 1131.7744707657.

The spelling of 1449705145 in words is "one billion, four hundred forty-nine million, seven hundred five thousand, one hundred forty-five".