146129257 has 8 divisors (see below), whose sum is σ = 151206912. Its totient is φ = 141074400.

The previous prime is 146129233. The next prime is 146129261. The reversal of 146129257 is 752921641.

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 146129257 - 2⁷ = 146129129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146129287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7893 + ... + 18829.

It is an arithmetic number, because the mean of its divisors is an integer number (18900864).

Almost surely, 2^146129257 is an apocalyptic number.

It is an amenable number.

146129257 is a deficient number, since it is larger than the sum of its proper divisors (5077655).

146129257 is a wasteful number, since it uses less digits than its factorization.

146129257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399.

The product of its digits is 30240, while the sum is 37.

The square root of 146129257 is about 12088.3934830067. The cubic root of 146129257 is about 526.7190897897.

The spelling of 146129257 in words is "one hundred forty-six million, one hundred twenty-nine thousand, two hundred fifty-seven".