146871816 has 144 divisors (see below), whose sum is σ = 463136400. Its totient is φ = 38683008.

The previous prime is 146871797. The next prime is 146871821. The reversal of 146871816 is 618178641.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 198375 + ... + 199113.

It is an arithmetic number, because the mean of its divisors is an integer number (3216225).

Almost surely, 2^146871816 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 146871816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231568200).

146871816 is an abundant number, since it is smaller than the sum of its proper divisors (316264584).

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

146871816 is a wasteful number, since it uses less digits than its factorization.

146871816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 764 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 146871816 is about 12119.0682810190. The cubic root of 146871816 is about 527.6097610069.

The spelling of 146871816 in words is "one hundred forty-six million, eight hundred seventy-one thousand, eight hundred sixteen".