147531216 has 40 divisors (see below), whose sum is σ = 435569344. Its totient is φ = 42151680.

The previous prime is 147531199. The next prime is 147531221. The reversal of 147531216 is 612135741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219205 + ... + 219876.

Almost surely, 2^147531216 is an apocalyptic number.

147531216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147531216 is an abundant number, since it is smaller than the sum of its proper divisors (288038128).

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

147531216 is a wasteful number, since it uses less digits than its factorization.

147531216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439099 (or 439093 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 147531216 is about 12146.2428758855. The cubic root of 147531216 is about 528.3981730261.

Adding to 147531216 its reverse (612135741), we get a palindrome (759666957).

The spelling of 147531216 in words is "one hundred forty-seven million, five hundred thirty-one thousand, two hundred sixteen".