102526149 has 16 divisors (see below), whose sum is σ = 153161280. Its totient is φ = 60456960.

The previous prime is 102526141. The next prime is 102526159. The reversal of 102526149 is 941625201.

It is not a de Polignac number, because 102526149 - 2³ = 102526141 is a prime.

It is a super-2 number, since 2×102526149² = 21023222457540402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102526141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40764 + ... + 43205.

It is an arithmetic number, because the mean of its divisors is an integer number (9572580).

Almost surely, 2^102526149 is an apocalyptic number.

It is an amenable number.

102526149 is a deficient number, since it is larger than the sum of its proper divisors (50635131).

102526149 is a wasteful number, since it uses less digits than its factorization.

102526149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84020.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 102526149 is about 10125.5196903665. The cubic root of 102526149 is about 468.0348748575.

The spelling of 102526149 in words is "one hundred two million, five hundred twenty-six thousand, one hundred forty-nine".