453129444 has 48 divisors (see below), whose sum is σ = 1199788800. Its totient is φ = 147827808.

The previous prime is 453129433. The next prime is 453129451. The reversal of 453129444 is 444921354.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 453129399 and 453129408.

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, 39559 + ... + 49710.

It is an arithmetic number, because the mean of its divisors is an integer number (24995600).

Almost surely, 2^453129444 is an apocalyptic number.

It is an amenable number.

453129444 is an abundant number, since it is smaller than the sum of its proper divisors (746659356).

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

453129444 is a wasteful number, since it uses less digits than its factorization.

453129444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89329 (or 89321 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 453129444 is about 21286.8373414183. The cubic root of 453129444 is about 768.0817173789.

It can be divided in two parts, 45312 and 9444, that added together give a square (54756 = 234²).

The spelling of 453129444 in words is "four hundred fifty-three million, one hundred twenty-nine thousand, four hundred forty-four".