1452444140 has 48 divisors (see below), whose sum is σ = 3494098944. Its totient is φ = 496804800.

The previous prime is 1452444131. The next prime is 1452444167. The reversal of 1452444140 is 414442541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48305 + ... + 72375.

It is an arithmetic number, because the mean of its divisors is an integer number (72793728).

Almost surely, 2^1452444140 is an apocalyptic number.

1452444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452444140 is an abundant number, since it is smaller than the sum of its proper divisors (2041654804).

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

1452444140 is a wasteful number, since it uses less digits than its factorization.

1452444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24518 (or 24516 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 1452444140 is about 38110.9451470309. The cubic root of 1452444140 is about 1132.4867936351.

Adding to 1452444140 its reverse (414442541), we get a palindrome (1866886681).

The spelling of 1452444140 in words is "one billion, four hundred fifty-two million, four hundred forty-four thousand, one hundred forty".