146621271 has 32 divisors (see below), whose sum is σ = 212439040. Its totient is φ = 89649504.

The previous prime is 146621219. The next prime is 146621273. The reversal of 146621271 is 172126641.

It is not a de Polignac number, because 146621271 - 2¹³ = 146613079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146621273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399330 + ... + 399696.

It is an arithmetic number, because the mean of its divisors is an integer number (6638720).

Almost surely, 2^146621271 is an apocalyptic number.

146621271 is a deficient number, since it is larger than the sum of its proper divisors (65817769).

146621271 is a wasteful number, since it uses less digits than its factorization.

146621271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 4032, while the sum is 30.

The square root of 146621271 is about 12108.7270594394. The cubic root of 146621271 is about 527.3095781013.

The spelling of 146621271 in words is "one hundred forty-six million, six hundred twenty-one thousand, two hundred seventy-one".