1455726450 has 48 divisors (see below), whose sum is σ = 3630437280. Its totient is φ = 386017920.

The previous prime is 1455726407. The next prime is 1455726479. The reversal of 1455726450 is 546275541.

It is a junction number, because it is equal to n+sod(n) for n = 1455726399 and 1455726408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259 + ... + 53958.

It is an arithmetic number, because the mean of its divisors is an integer number (75634110).

Almost surely, 2^1455726450 is an apocalyptic number.

1455726450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455726450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815218640).

1455726450 is an abundant number, since it is smaller than the sum of its proper divisors (2174710830).

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

1455726450 is a wasteful number, since it uses less digits than its factorization.

1455726450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54411 (or 54406 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 1455726450 is about 38153.9834093375. The cubic root of 1455726450 is about 1133.3392363207.

The spelling of 1455726450 in words is "one billion, four hundred fifty-five million, seven hundred twenty-six thousand, four hundred fifty".