1453979000 has 64 divisors (see below), whose sum is σ = 3425198400. Its totient is φ = 577680000.

The previous prime is 1453978997. The next prime is 1453979029. The reversal of 1453979000 is 9793541.

It is a happy number.

1453979000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1453979000² = 4228109864882000000, 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, 146186 + ... + 155814.

It is an arithmetic number, because the mean of its divisors is an integer number (53518725).

Almost surely, 2^1453979000 is an apocalyptic number.

1453979000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453979000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712599200).

1453979000 is an abundant number, since it is smaller than the sum of its proper divisors (1971219400).

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

1453979000 is a wasteful number, since it uses less digits than its factorization.

1453979000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1453979000 is about 38131.0765649227. The cubic root of 1453979000 is about 1132.8855689848.

It can be divided in two parts, 14539 and 79000, that added together give a palindrome (93539).

The spelling of 1453979000 in words is "one billion, four hundred fifty-three million, nine hundred seventy-nine thousand".