146128461790 has 32 divisors (see below), whose sum is σ = 281207609280. Its totient is φ = 54478953984.

The previous prime is 146128461769. The next prime is 146128461821. The reversal of 146128461790 is 97164821641.

It is a super-2 number, since 2×146128461790² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4155205 + ... + 4190224.

It is an arithmetic number, because the mean of its divisors is an integer number (8787737790).

Almost surely, 2^146128461790 is an apocalyptic number.

146128461790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146128461790 is a deficient number, since it is larger than the sum of its proper divisors (135079147490).

146128461790 is a wasteful number, since it uses less digits than its factorization.

146128461790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345556.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 146128461790 in words is "one hundred forty-six billion, one hundred twenty-eight million, four hundred sixty-one thousand, seven hundred ninety".