1453444608 has 160 divisors (see below), whose sum is σ = 4827905280. Its totient is φ = 377487360.

The previous prime is 1453444583. The next prime is 1453444627. The reversal of 1453444608 is 8064443541.

It is a super-2 number, since 2×1453444608² = 4225002457048547328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112128 + ... + 124416.

It is an arithmetic number, because the mean of its divisors is an integer number (30174408).

Almost surely, 2^1453444608 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 1453444608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413952640).

1453444608 is an abundant number, since it is smaller than the sum of its proper divisors (3374460672).

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

1453444608 is a wasteful number, since it uses less digits than its factorization.

1453444608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328 (or 12312 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 1453444608 is about 38124.0686181315. The cubic root of 1453444608 is about 1132.7467592840.

The spelling of 1453444608 in words is "one billion, four hundred fifty-three million, four hundred forty-four thousand, six hundred eight".