102146156 has 36 divisors (see below), whose sum is σ = 209259792. Its totient is φ = 42737184.

The previous prime is 102146119. The next prime is 102146179. The reversal of 102146156 is 651641201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50786 + ... + 52758.

It is an arithmetic number, because the mean of its divisors is an integer number (5812772).

Almost surely, 2^102146156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102146156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104629896).

102146156 is an abundant number, since it is smaller than the sum of its proper divisors (107113636).

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

102146156 is a wasteful number, since it uses less digits than its factorization.

102146156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 102146156 is about 10106.7381483840. The cubic root of 102146156 is about 467.4559326284.

Adding to 102146156 its reverse (651641201), we get a palindrome (753787357).

The spelling of 102146156 in words is "one hundred two million, one hundred forty-six thousand, one hundred fifty-six".