1451421244 has 24 divisors (see below), whose sum is σ = 3126138848. Its totient is φ = 574188480.

The previous prime is 1451421221. The next prime is 1451421289. The reversal of 1451421244 is 4421241541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993347 + ... + 1994074.

Almost surely, 2^1451421244 is an apocalyptic number.

1451421244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1451421244 is an abundant number, since it is smaller than the sum of its proper divisors (1674717604).

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

1451421244 is a wasteful number, since it uses less digits than its factorization.

1451421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987445 (or 3987443 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1451421244 is about 38097.5228066078. The cubic root of 1451421244 is about 1132.2208767512.

Adding to 1451421244 its reverse (4421241541), we get a palindrome (5872662785).

The spelling of 1451421244 in words is "one billion, four hundred fifty-one million, four hundred twenty-one thousand, two hundred forty-four".