102545452 has 6 divisors (see below), whose sum is σ = 179454548. Its totient is φ = 51272724.

The previous prime is 102545449. The next prime is 102545473. The reversal of 102545452 is 254545201.

It is a self number, because there is not a number n which added to its sum of digits gives 102545452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12818178 + ... + 12818185.

Almost surely, 2^102545452 is an apocalyptic number.

It is an amenable number.

102545452 is a deficient number, since it is larger than the sum of its proper divisors (76909096).

102545452 is a wasteful number, since it uses less digits than its factorization.

102545452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636367 (or 25636365 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 102545452 is about 10126.4728311491. The cubic root of 102545452 is about 468.0642459345.

The spelling of 102545452 in words is "one hundred two million, five hundred forty-five thousand, four hundred fifty-two".