146734457 has 8 divisors (see below), whose sum is σ = 153235584. Its totient is φ = 140243488.

The previous prime is 146734451. The next prime is 146734459. The reversal of 146734457 is 754437641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146734457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146734451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54413 + ... + 57045.

It is an arithmetic number, because the mean of its divisors is an integer number (19154448).

Almost surely, 2^146734457 is an apocalyptic number.

It is an amenable number.

146734457 is a deficient number, since it is larger than the sum of its proper divisors (6501127).

146734457 is a wasteful number, since it uses less digits than its factorization.

146734457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079.

The product of its digits is 282240, while the sum is 41.

The square root of 146734457 is about 12113.3998943319. The cubic root of 146734457 is about 527.4452307938.

The spelling of 146734457 in words is "one hundred forty-six million, seven hundred thirty-four thousand, four hundred fifty-seven".