1445527552 has 136 divisors (see below), whose sum is σ = 3472857216. Its totient is φ = 588251136.

The previous prime is 1445527541. The next prime is 1445527571. The reversal of 1445527552 is 2557255441.

It is a happy number.

It is a super-2 number, since 2×1445527552² = 4179099807182225408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10551228 + ... + 10551364.

Almost surely, 2^1445527552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445527552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736428608).

1445527552 is an abundant number, since it is smaller than the sum of its proper divisors (2027329664).

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

1445527552 is an frugal number, since it uses more digits than its factorization.

1445527552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 169 counting only the distinct ones).

The product of its digits is 280000, while the sum is 40.

The square root of 1445527552 is about 38020.0940556438. The cubic root of 1445527552 is about 1130.6862858033.

The spelling of 1445527552 in words is "one billion, four hundred forty-five million, five hundred twenty-seven thousand, five hundred fifty-two".