146144191274 has 16 divisors (see below), whose sum is σ = 220129068096. Its totient is φ = 72767940000.

The previous prime is 146144191253. The next prime is 146144191283. The reversal of 146144191274 is 472191441641.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170339 + ... + 3216105.

It is an arithmetic number, because the mean of its divisors is an integer number (13758066756).

Almost surely, 2^146144191274 is an apocalyptic number.

146144191274 is a deficient number, since it is larger than the sum of its proper divisors (73984876822).

146144191274 is a wasteful number, since it uses less digits than its factorization.

146144191274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52381.

The product of its digits is 193536, while the sum is 44.

The spelling of 146144191274 in words is "one hundred forty-six billion, one hundred forty-four million, one hundred ninety-one thousand, two hundred seventy-four".