1453481628 has 24 divisors (see below), whose sum is σ = 3393870480. Its totient is φ = 484149120.

The previous prime is 1453481621. The next prime is 1453481629. The reversal of 1453481628 is 8261843541.

It is a happy number.

It is a super-2 number, since 2×1453481628² = 4225217685867060768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453481628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453481621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25233 + ... + 59528.

It is an arithmetic number, because the mean of its divisors is an integer number (141411270).

Almost surely, 2^1453481628 is an apocalyptic number.

It is an amenable number.

1453481628 is an abundant number, since it is smaller than the sum of its proper divisors (1940388852).

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

1453481628 is a wasteful number, since it uses less digits than its factorization.

1453481628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86197 (or 86195 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 1453481628 is about 38124.5541350978. The cubic root of 1453481628 is about 1132.7563764213.

The spelling of 1453481628 in words is "one billion, four hundred fifty-three million, four hundred eighty-one thousand, six hundred twenty-eight".