146031822 has 56 divisors (see below), whose sum is σ = 337422216. Its totient is φ = 47344176.

The previous prime is 146031803. The next prime is 146031833. The reversal of 146031822 is 228130641.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 52593 + ... + 55299.

Almost surely, 2^146031822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146031822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168711108).

146031822 is an abundant number, since it is smaller than the sum of its proper divisors (191390394).

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

146031822 is an equidigital number, since it uses as much as digits as its factorization.

146031822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 146031822 is about 12084.3627055795. The cubic root of 146031822 is about 526.6019964568.

The spelling of 146031822 in words is "one hundred forty-six million, thirty-one thousand, eight hundred twenty-two".