102433240 has 128 divisors (see below), whose sum is σ = 287400960. Its totient is φ = 31993344.

The previous prime is 102433231. The next prime is 102433241. The reversal of 102433240 is 42334201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102433241) 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 31 ways as a sum of consecutive naturals, for example, 389349 + ... + 389611.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^102433240 is an apocalyptic number.

102433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143700480).

102433240 is an abundant number, since it is smaller than the sum of its proper divisors (184967720).

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

102433240 is a wasteful number, since it uses less digits than its factorization.

102433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102433240 is about 10120.9307872349. The cubic root of 102433240 is about 467.8934546947.

Adding to 102433240 its reverse (42334201), we get a palindrome (144767441).

The spelling of 102433240 in words is "one hundred two million, four hundred thirty-three thousand, two hundred forty".