1445480532972 has 192 divisors, whose sum is σ = 4509232358400. Its totient is φ = 391178833920.

The previous prime is 1445480532917. The next prime is 1445480532989. The reversal of 1445480532972 is 2792350845441.

It is a happy number.

1445480532972 is a `hidden beast` number, since 1 + 4 + 4 + 548 + 0 + 5 + 3 + 2 + 97 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122274822 + ... + 122286642.

It is an arithmetic number, because the mean of its divisors is an integer number (23485585200).

Almost surely, 2^{1445480532972} is an apocalyptic number.

1445480532972 is a gapful number since it is divisible by the number (12) 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 1445480532972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254616179200).

1445480532972 is an abundant number, since it is smaller than the sum of its proper divisors (3063751825428).

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

1445480532972 is a wasteful number, since it uses less digits than its factorization.

1445480532972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373 (or 20365 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 1445480532972 in words is "one trillion, four hundred forty-five billion, four hundred eighty million, five hundred thirty-two thousand, nine hundred seventy-two".