1445230452 has 24 divisors (see below), whose sum is σ = 3570569856. Its totient is φ = 453405568.

The previous prime is 1445230441. The next prime is 1445230477. The reversal of 1445230452 is 2540325441.

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, 3542028 + ... + 3542435.

It is an arithmetic number, because the mean of its divisors is an integer number (148773744).

Almost surely, 2^1445230452 is an apocalyptic number.

1445230452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445230452 is an abundant number, since it is smaller than the sum of its proper divisors (2125339404).

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

1445230452 is a wasteful number, since it uses less digits than its factorization.

1445230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084487 (or 7084485 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1445230452 is about 38016.1867104001. The cubic root of 1445230452 is about 1130.6088169899.

Adding to 1445230452 its reverse (2540325441), we get a palindrome (3985555893).

The spelling of 1445230452 in words is "one billion, four hundred forty-five million, two hundred thirty thousand, four hundred fifty-two".