102563045 has 16 divisors (see below), whose sum is σ = 139520640. Its totient is φ = 71751744.

The previous prime is 102563009. The next prime is 102563059. The reversal of 102563045 is 540365201.

It is a cyclic number.

It is not a de Polignac number, because 102563045 - 2¹² = 102558949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40289 + ... + 42758.

It is an arithmetic number, because the mean of its divisors is an integer number (8720040).

Almost surely, 2^102563045 is an apocalyptic number.

It is an amenable number.

102563045 is a deficient number, since it is larger than the sum of its proper divisors (36957595).

102563045 is a wasteful number, since it uses less digits than its factorization.

102563045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83084.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 102563045 is about 10127.3414576581. The cubic root of 102563045 is about 468.0910118978.

The spelling of 102563045 in words is "one hundred two million, five hundred sixty-three thousand, forty-five".