102532444 has 24 divisors (see below), whose sum is σ = 206569440. Its totient is φ = 43620096.

The previous prime is 102532433. The next prime is 102532447. The reversal of 102532444 is 444235201.

It is a happy number.

It is a super-2 number, since 2×102532444² = 21025804145226272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102532447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9529 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (8607060).

Almost surely, 2^102532444 is an apocalyptic number.

102532444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102532444 is an abundant number, since it is smaller than the sum of its proper divisors (104036996).

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

102532444 is a wasteful number, since it uses less digits than its factorization.

102532444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26877 (or 26875 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 102532444 is about 10125.8305338377. The cubic root of 102532444 is about 468.0444536146.

Adding to 102532444 its reverse (444235201), we get a palindrome (546767645).

The spelling of 102532444 in words is "one hundred two million, five hundred thirty-two thousand, four hundred forty-four".