102145626 has 24 divisors (see below), whose sum is σ = 241435584. Its totient is φ = 30953160.

The previous prime is 102145583. The next prime is 102145633. The reversal of 102145626 is 626541201.

102145626 is a `hidden beast` number, since 10 + 21 + 4 + 5 + 626 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102145626.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257746 + ... + 258141.

It is an arithmetic number, because the mean of its divisors is an integer number (10059816).

Almost surely, 2^102145626 is an apocalyptic number.

102145626 is an abundant number, since it is smaller than the sum of its proper divisors (139289958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102145626 is a wasteful number, since it uses less digits than its factorization.

102145626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515906 (or 515903 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 102145626 is about 10106.7119282188. The cubic root of 102145626 is about 467.4551241396.

Adding to 102145626 its reverse (626541201), we get a palindrome (728686827).

The spelling of 102145626 in words is "one hundred two million, one hundred forty-five thousand, six hundred twenty-six".