102894298945 has 8 divisors (see below), whose sum is σ = 124361455680. Its totient is φ = 81723241200.

The previous prime is 102894298931. The next prime is 102894298973. The reversal of 102894298945 is 549892498201.

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

It is not a de Polignac number, because 102894298945 - 2⁹ = 102894298433 is a prime.

It is a super-2 number, since 2×102894298945² (a number of 23 digits) contains 22 as substring.

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, 74023981 + ... + 74025370.

It is an arithmetic number, because the mean of its divisors is an integer number (15545181960).

Almost surely, 2^102894298945 is an apocalyptic number.

It is an amenable number.

102894298945 is a deficient number, since it is larger than the sum of its proper divisors (21467156735).

102894298945 is a wasteful number, since it uses less digits than its factorization.

102894298945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148049495.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 102894298945 in words is "one hundred two billion, eight hundred ninety-four million, two hundred ninety-eight thousand, nine hundred forty-five".