103252644 has 192 divisors, whose sum is σ = 314092800. Its totient is φ = 29393280.

The previous prime is 103252627. The next prime is 103252649. The reversal of 103252644 is 446252301.

103252644 is a `hidden beast` number, since 10 + 3 + 2 + 5 + 2 + 644 = 666.

It is a super-2 number, since 2×103252644² = 21322216985981472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103252649) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2790594 + ... + 2790630.

It is an arithmetic number, because the mean of its divisors is an integer number (1635900).

Almost surely, 2^103252644 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 103252644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157046400).

103252644 is an abundant number, since it is smaller than the sum of its proper divisors (210840156).

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

103252644 is a wasteful number, since it uses less digits than its factorization.

103252644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 103252644 is about 10161.3308183525. The cubic root of 103252644 is about 469.1377642612.

The spelling of 103252644 in words is "one hundred three million, two hundred fifty-two thousand, six hundred forty-four".