146289025 has 27 divisors (see below), whose sum is σ = 189135433. Its totient is φ = 112241600.

The previous prime is 146289019. The next prime is 146289047. The reversal of 146289025 is 520982641.

The square root of 146289025 is 12095.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 61575409 + 84713616 = 7847^2 + 9204^2 .

It is not a de Polignac number, because 146289025 - 2¹¹ = 146286977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2479446 + ... + 2479504.

Almost surely, 2^146289025 is an apocalyptic number.

146289025 is the 12095-th square number.

146289025 is the 6048-th centered octagonal number.

It is an amenable number.

146289025 is a deficient number, since it is larger than the sum of its proper divisors (42846408).

146289025 is an frugal number, since it uses more digits than its factorization.

146289025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The cubic root of 146289025 is about 526.9109797343.

It can be divided in two parts, 14628 and 9025, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 146289025 in words is "one hundred forty-six million, two hundred eighty-nine thousand, twenty-five".