146278022 has 24 divisors (see below), whose sum is σ = 250243560. Its totient is φ = 63594080.

The previous prime is 146278019. The next prime is 146278043. The reversal of 146278022 is 220872641.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 146278022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5354 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (10426815).

Almost surely, 2^146278022 is an apocalyptic number.

146278022 is a deficient number, since it is larger than the sum of its proper divisors (103965538).

146278022 is a wasteful number, since it uses less digits than its factorization.

146278022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628 (or 12605 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 146278022 is about 12094.5451340677. The cubic root of 146278022 is about 526.8977690216.

The spelling of 146278022 in words is "one hundred forty-six million, two hundred seventy-eight thousand, twenty-two".