102164945 has 8 divisors (see below), whose sum is σ = 123240960. Its totient is φ = 81303280.

The previous prime is 102164929. The next prime is 102164963. The reversal of 102164945 is 549461201.

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

It is not a de Polignac number, because 102164945 - 2⁴ = 102164929 is a prime.

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, 52535 + ... + 54444.

It is an arithmetic number, because the mean of its divisors is an integer number (15405120).

Almost surely, 2^102164945 is an apocalyptic number.

It is an amenable number.

102164945 is a deficient number, since it is larger than the sum of its proper divisors (21076015).

102164945 is a wasteful number, since it uses less digits than its factorization.

102164945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107175.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 102164945 is about 10107.6676340291. The cubic root of 102164945 is about 467.4845925127.

The spelling of 102164945 in words is "one hundred two million, one hundred sixty-four thousand, nine hundred forty-five".