297011920144 has 15 divisors (see below), whose sum is σ = 575464818967. Its totient is φ = 148504870096.

The previous prime is 297011920103. The next prime is 297011920147. The reversal of 297011920144 is 441029110792.

The square root of 297011920144 is 544988.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 297011920097 and 297011920106.

It is not an unprimeable number, because it can be changed into a prime (297011920147) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2111829 + ... + 2248075.

Almost surely, 2^297011920144 is an apocalyptic number.

297011920144 is the 544988-th square number.

It is an amenable number.

297011920144 is a deficient number, since it is larger than the sum of its proper divisors (278452898823).

297011920144 is an frugal number, since it uses more digits than its factorization.

297011920144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272502 (or 136249 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 297011920144 in words is "two hundred ninety-seven billion, eleven million, nine hundred twenty thousand, one hundred forty-four".