845508132 has 180 divisors, whose sum is σ = 2707486320. Its totient is φ = 228777696.

The previous prime is 845508077. The next prime is 845508143. The reversal of 845508132 is 231805548.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 300243 + ... + 303045.

Almost surely, 2^845508132 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 845508132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353743160).

845508132 is an abundant number, since it is smaller than the sum of its proper divisors (1861978188).

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

845508132 is a wasteful number, since it uses less digits than its factorization.

845508132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 845508132 is about 29077.6225300488. The cubic root of 845508132 is about 945.5966602345.

The spelling of 845508132 in words is "eight hundred forty-five million, five hundred eight thousand, one hundred thirty-two".