450145632 has 24 divisors (see below), whose sum is σ = 1181632536. Its totient is φ = 150048512.

The previous prime is 450145621. The next prime is 450145643. The reversal of 450145632 is 236541054.

It is an interprime number because it is at equal distance from previous prime (450145621) and next prime (450145643).

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 450145632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344413 + ... + 2344604.

It is an arithmetic number, because the mean of its divisors is an integer number (49234689).

Almost surely, 2^450145632 is an apocalyptic number.

It is an amenable number.

450145632 is an abundant number, since it is smaller than the sum of its proper divisors (731486904).

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

450145632 is a wasteful number, since it uses less digits than its factorization.

450145632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689030 (or 4689022 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 450145632 is about 21216.6357370814. The cubic root of 450145632 is about 766.3920895333.

Adding to 450145632 its reverse (236541054), we get a palindrome (686686686).

The spelling of 450145632 in words is "four hundred fifty million, one hundred forty-five thousand, six hundred thirty-two".