146289026 has 16 divisors (see below), whose sum is σ = 237243384. Its totient is φ = 67252224.

The previous prime is 146289019. The next prime is 146289047. The reversal of 146289026 is 620982641.

It is a Cunningham number, because it is equal to 12095²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 144024001 + 2265025 = 12001^2 + 1505^2 .

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, 4265 + ... + 17628.

Almost surely, 2^146289026 is an apocalyptic number.

146289026 is a deficient number, since it is larger than the sum of its proper divisors (90954358).

146289026 is a wasteful number, since it uses less digits than its factorization.

146289026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 146289026 is about 12095.0000413394. Note that the first 4 decimals coincide. The cubic root of 146289026 is about 526.9109809349.

The spelling of 146289026 in words is "one hundred forty-six million, two hundred eighty-nine thousand, twenty-six".