1448150921 has 8 divisors (see below), whose sum is σ = 1655338560. Its totient is φ = 1241040528.

The previous prime is 1448150849. The next prime is 1448150923. The reversal of 1448150921 is 1290518441.

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

It is a de Polignac number, because none of the positive numbers 2^k-1448150921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448150923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28895 + ... + 61083.

It is an arithmetic number, because the mean of its divisors is an integer number (206917320).

Almost surely, 2^1448150921 is an apocalyptic number.

It is an amenable number.

1448150921 is a deficient number, since it is larger than the sum of its proper divisors (207187639).

1448150921 is an equidigital number, since it uses as much as digits as its factorization.

1448150921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38623.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1448150921 is about 38054.5781871249. The cubic root of 1448150921 is about 1131.3698689419.

The spelling of 1448150921 in words is "one billion, four hundred forty-eight million, one hundred fifty thousand, nine hundred twenty-one".