1455223072 has 48 divisors (see below), whose sum is σ = 3029564160. Its totient is φ = 686161152.

The previous prime is 1455223057. The next prime is 1455223093. The reversal of 1455223072 is 2703225541.

It is a super-2 number, since 2×1455223072² = 4235348378562234368, which contains 22 as substring.

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, 130218 + ... + 140950.

It is an arithmetic number, because the mean of its divisors is an integer number (63115920).

Almost surely, 2^1455223072 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 1455223072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514782080).

1455223072 is an abundant number, since it is smaller than the sum of its proper divisors (1574341088).

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

1455223072 is a wasteful number, since it uses less digits than its factorization.

1455223072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985 (or 10977 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1455223072 is about 38147.3861752021. The cubic root of 1455223072 is about 1133.2085881922.

The spelling of 1455223072 in words is "one billion, four hundred fifty-five million, two hundred twenty-three thousand, seventy-two".