146155745544 has 32 divisors (see below), whose sum is σ = 365496004320. Its totient is φ = 48704363136.

The previous prime is 146155745537. The next prime is 146155745609. The reversal of 146155745544 is 445547551641.

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, 804562 + ... + 969345.

It is an arithmetic number, because the mean of its divisors is an integer number (11421750135).

Almost surely, 2^146155745544 is an apocalyptic number.

It is an amenable number.

146155745544 is an abundant number, since it is smaller than the sum of its proper divisors (219340258776).

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

146155745544 is a wasteful number, since it uses less digits than its factorization.

146155745544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777349 (or 1777345 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 51.

The spelling of 146155745544 in words is "one hundred forty-six billion, one hundred fifty-five million, seven hundred forty-five thousand, five hundred forty-four".