1451448 has 48 divisors (see below), whose sum is σ = 4141800. Its totient is φ = 457920.

The previous prime is 1451423. The next prime is 1451509. The reversal of 1451448 is 8441541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838 + ... + 1898.

2^1451448 is an apocalyptic number.

1451448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070900).

1451448 is an abundant number, since it is smaller than the sum of its proper divisors (2690352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451448 is a wasteful number, since it uses less digits than its factorization.

1451448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1085 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1451448 is about 1204.7605571233. The cubic root of 1451448 is about 113.2227833959. Note that the first 3 decimals are identical.

Adding to 1451448 its reverse (8441541), we get a palindrome (9892989).

The spelling of 1451448 in words is "one million, four hundred fifty-one thousand, four hundred forty-eight".