146252091 has 8 divisors (see below), whose sum is σ = 198308160. Its totient is φ = 95848712.

The previous prime is 146252077. The next prime is 146252111. The reversal of 146252091 is 190252641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146252091 - 2⁶ = 146252027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146252011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412965 + ... + 413318.

It is an arithmetic number, because the mean of its divisors is an integer number (24788520).

Almost surely, 2^146252091 is an apocalyptic number.

146252091 is a deficient number, since it is larger than the sum of its proper divisors (52056069).

146252091 is an equidigital number, since it uses as much as digits as its factorization.

146252091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826345.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 146252091 is about 12093.4730743488. The cubic root of 146252091 is about 526.8666324382.

The spelling of 146252091 in words is "one hundred forty-six million, two hundred fifty-two thousand, ninety-one".