102522145 has 8 divisors (see below), whose sum is σ = 134210880. Its totient is φ = 74561520.

The previous prime is 102522131. The next prime is 102522197. The reversal of 102522145 is 541225201.

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

It is not a de Polignac number, because 102522145 - 2⁹ = 102521633 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, 931965 + ... + 932074.

It is an arithmetic number, because the mean of its divisors is an integer number (16776360).

Almost surely, 2^102522145 is an apocalyptic number.

It is an amenable number.

102522145 is a deficient number, since it is larger than the sum of its proper divisors (31688735).

102522145 is a wasteful number, since it uses less digits than its factorization.

102522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864055.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 102522145 is about 10125.3219701894. The cubic root of 102522145 is about 468.0287819857.

Adding to 102522145 its reverse (541225201), we get a palindrome (643747346).

The spelling of 102522145 in words is "one hundred two million, five hundred twenty-two thousand, one hundred forty-five".