146718109444 has 9 divisors (see below), whose sum is σ = 256758032167. Its totient is φ = 73358671684.

The previous prime is 146718109429. The next prime is 146718109513. The reversal of 146718109444 is 444901817641.

The square root of 146718109444 is 383038.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 670317 + ... + 861835.

Almost surely, 2^146718109444 is an apocalyptic number.

146718109444 is the 383038-th square number.

It is an amenable number.

146718109444 is a deficient number, since it is larger than the sum of its proper divisors (110039922723).

146718109444 is an frugal number, since it uses more digits than its factorization.

146718109444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383042 (or 191521 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

Multiplying 146718109444 by its sum of digits (49), we get a square (7189187362756 = 2681266²).

The spelling of 146718109444 in words is "one hundred forty-six billion, seven hundred eighteen million, one hundred nine thousand, four hundred forty-four".