102000545 has 8 divisors (see below), whose sum is σ = 123181224. Its totient is φ = 81080064.

The previous prime is 102000539. The next prime is 102000551. The reversal of 102000545 is 545000201.

It is an interprime number because it is at equal distance from previous prime (102000539) and next prime (102000551).

It can be written as a sum of positive squares in 4 ways, for example, as 1860496 + 100140049 = 1364^2 + 10007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102000545 - 2⁴ = 102000529 is a prime.

It is a super-2 number, since 2×102000545² = 20808222360594050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64184 + ... + 65753.

It is an arithmetic number, because the mean of its divisors is an integer number (15397653).

Almost surely, 2^102000545 is an apocalyptic number.

It is an amenable number.

102000545 is a deficient number, since it is larger than the sum of its proper divisors (21180679).

102000545 is a wasteful number, since it uses less digits than its factorization.

102000545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130099.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 102000545 is about 10099.5319198466. The cubic root of 102000545 is about 467.2337049972.

Adding to 102000545 its reverse (545000201), we get a palindrome (647000746).

The spelling of 102000545 in words is "one hundred two million, five hundred forty-five", and thus it is an aban number.