2897145752 has 8 divisors (see below), whose sum is σ = 5432148300. Its totient is φ = 1448572872.

The previous prime is 2897145739. The next prime is 2897145761. The reversal of 2897145752 is 2575417982.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2897145752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181071602 + ... + 181071617.

Almost surely, 2^2897145752 is an apocalyptic number.

It is an amenable number.

2897145752 is a deficient number, since it is larger than the sum of its proper divisors (2535002548).

2897145752 is a wasteful number, since it uses less digits than its factorization.

2897145752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362143225 (or 362143221 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The square root of 2897145752 is about 53825.1405200209. The cubic root of 2897145752 is about 1425.5751452014.

The spelling of 2897145752 in words is "two billion, eight hundred ninety-seven million, one hundred forty-five thousand, seven hundred fifty-two".