918442152 has 40 divisors (see below), whose sum is σ = 2572490250. Its totient is φ = 306147168.

The previous prime is 918442139. The next prime is 918442163. The reversal of 918442152 is 251244819.

918442152 is a `hidden beast` number, since 9 + 184 + 421 + 52 = 666.

918442152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 917726436 + 715716 = 30294^2 + 846^2 .

It is a super-2 number, since 2×918442152² = 1687071973140782208, which contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 708027 + ... + 709322.

Almost surely, 2^918442152 is an apocalyptic number.

It is an amenable number.

918442152 is an abundant number, since it is smaller than the sum of its proper divisors (1654048098).

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

918442152 is a wasteful number, since it uses less digits than its factorization.

918442152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417367 (or 1417354 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 918442152 is about 30305.8105319755. The cubic root of 918442152 is about 972.0395502883.

The spelling of 918442152 in words is "nine hundred eighteen million, four hundred forty-two thousand, one hundred fifty-two".