146252249 has 16 divisors (see below), whose sum is σ = 177750720. Its totient is φ = 118493760.

The previous prime is 146252237. The next prime is 146252257. The reversal of 146252249 is 942252641.

It is not a de Polignac number, because 146252249 - 2¹² = 146248153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146252219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13487 + ... + 21780.

It is an arithmetic number, because the mean of its divisors is an integer number (11109420).

Almost surely, 2^146252249 is an apocalyptic number.

It is an amenable number.

146252249 is a deficient number, since it is larger than the sum of its proper divisors (31498471).

146252249 is a wasteful number, since it uses less digits than its factorization.

146252249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35320.

The product of its digits is 34560, while the sum is 35.

The square root of 146252249 is about 12093.4796067964. The cubic root of 146252249 is about 526.8668221674.

The spelling of 146252249 in words is "one hundred forty-six million, two hundred fifty-two thousand, two hundred forty-nine".