146451101644 has 12 divisors (see below), whose sum is σ = 259169085000. Its totient is φ = 72402791648.

The previous prime is 146451101617. The next prime is 146451101659. The reversal of 146451101644 is 446101154641.

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, 205689394 + ... + 205690105.

It is an arithmetic number, because the mean of its divisors is an integer number (21597423750).

Almost surely, 2^146451101644 is an apocalyptic number.

It is an amenable number.

146451101644 is a deficient number, since it is larger than the sum of its proper divisors (112717983356).

146451101644 is a wasteful number, since it uses less digits than its factorization.

146451101644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411379592 (or 411379590 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 146451101644 in words is "one hundred forty-six billion, four hundred fifty-one million, one hundred one thousand, six hundred forty-four".