102152450 has 24 divisors (see below), whose sum is σ = 191511552. Its totient is φ = 40536720.

The previous prime is 102152441. The next prime is 102152459. The reversal of 102152450 is 54251201.

It is an interprime number because it is at equal distance from previous prime (102152441) and next prime (102152459).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102152459) 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 11 ways as a sum of consecutive naturals, for example, 1694 + ... + 14393.

It is an arithmetic number, because the mean of its divisors is an integer number (7979648).

Almost surely, 2^102152450 is an apocalyptic number.

102152450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102152450 is a deficient number, since it is larger than the sum of its proper divisors (89359102).

102152450 is a wasteful number, since it uses less digits than its factorization.

102152450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226 (or 16221 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 102152450 is about 10107.0495200132. The cubic root of 102152450 is about 467.4655336006.

It can be divided in two parts, 102152 and 450, that multiplied together give a square (45968400 = 6780²).

The spelling of 102152450 in words is "one hundred two million, one hundred fifty-two thousand, four hundred fifty".