452151420 has 144 divisors (see below), whose sum is σ = 1486846368. Its totient is φ = 102359040.

The previous prime is 452151419. The next prime is 452151437. The reversal of 452151420 is 24151254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331540 + ... + 332900.

It is an arithmetic number, because the mean of its divisors is an integer number (10325322).

Almost surely, 2^452151420 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 452151420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743423184).

452151420 is an abundant number, since it is smaller than the sum of its proper divisors (1034694948).

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

452151420 is a wasteful number, since it uses less digits than its factorization.

452151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 452151420 is about 21263.8524261245. The cubic root of 452151420 is about 767.5287161180.

The spelling of 452151420 in words is "four hundred fifty-two million, one hundred fifty-one thousand, four hundred twenty".