1455297648 has 180 divisors, whose sum is σ = 4647874392. Its totient is φ = 391157760.

The previous prime is 1455297643. The next prime is 1455297659. The reversal of 1455297648 is 8467925541.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1455297648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455297643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 678658 + ... + 680798.

Almost surely, 2^1455297648 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 1455297648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2323937196).

1455297648 is an abundant number, since it is smaller than the sum of its proper divisors (3192576744).

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

1455297648 is a wasteful number, since it uses less digits than its factorization.

1455297648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2170 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 1455297648 is about 38148.3636346305. The cubic root of 1455297648 is about 1133.2279457560.

The spelling of 1455297648 in words is "one billion, four hundred fifty-five million, two hundred ninety-seven thousand, six hundred forty-eight".