146311257 has 8 divisors (see below), whose sum is σ = 203563584. Its totient is φ = 93299888.

The previous prime is 146311223. The next prime is 146311271. The reversal of 146311257 is 752113641.

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 146311257 - 2¹⁰ = 146310233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146313257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060158 + ... + 1060295.

It is an arithmetic number, because the mean of its divisors is an integer number (25445448).

Almost surely, 2^146311257 is an apocalyptic number.

It is an amenable number.

146311257 is a deficient number, since it is larger than the sum of its proper divisors (57252327).

146311257 is a wasteful number, since it uses less digits than its factorization.

146311257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120479.

The product of its digits is 5040, while the sum is 30.

The square root of 146311257 is about 12095.9190225464. The cubic root of 146311257 is about 526.9376704847.

Adding to 146311257 its reverse (752113641), we get a palindrome (898424898).

It can be divided in two parts, 1463 and 11257, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 146311257 in words is "one hundred forty-six million, three hundred eleven thousand, two hundred fifty-seven".