102541550 has 12 divisors (see below), whose sum is σ = 190727376. Its totient is φ = 41016600.

The previous prime is 102541531. The next prime is 102541553. The reversal of 102541550 is 55145201.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102541553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025366 + ... + 1025465.

It is an arithmetic number, because the mean of its divisors is an integer number (15893948).

Almost surely, 2^102541550 is an apocalyptic number.

102541550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102541550 is a deficient number, since it is larger than the sum of its proper divisors (88185826).

102541550 is a wasteful number, since it uses less digits than its factorization.

102541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050843 (or 2050838 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 102541550 is about 10126.2801659840. The cubic root of 102541550 is about 468.0583090229.

Adding to 102541550 its reverse (55145201), we get a palindrome (157686751).

The spelling of 102541550 in words is "one hundred two million, five hundred forty-one thousand, five hundred fifty".