146531274 has 8 divisors (see below), whose sum is σ = 293062560. Its totient is φ = 48843756.

The previous prime is 146531267. The next prime is 146531317. The reversal of 146531274 is 472135641.

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

146531274 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12210934 + ... + 12210945.

It is an arithmetic number, because the mean of its divisors is an integer number (36632820).

Almost surely, 2^146531274 is an apocalyptic number.

146531274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146531274 is a wasteful number, since it uses less digits than its factorization.

146531274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24421884.

The product of its digits is 20160, while the sum is 33.

The square root of 146531274 is about 12105.0102850018. The cubic root of 146531274 is about 527.2016674443.

The spelling of 146531274 in words is "one hundred forty-six million, five hundred thirty-one thousand, two hundred seventy-four".