102214450 has 24 divisors (see below), whose sum is σ = 204744708. Its totient is φ = 37740480.

The previous prime is 102214439. The next prime is 102214451. The reversal of 102214450 is 54412201.

It can be written as a sum of positive squares in 6 ways, for example, as 1874161 + 100340289 = 1369^2 + 10017^2 .

It is not an unprimeable number, because it can be changed into a prime (102214451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77977 + ... + 79276.

Almost surely, 2^102214450 is an apocalyptic number.

102214450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102214450 is an abundant number, since it is smaller than the sum of its proper divisors (102530258).

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

102214450 is a wasteful number, since it uses less digits than its factorization.

102214450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157278 (or 157273 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102214450 is about 10110.1162208948. The cubic root of 102214450 is about 467.5600883615.

Adding to 102214450 its reverse (54412201), we get a palindrome (156626651).

It can be divided in two parts, 10 and 2214450, that added together give a triangular number (2214460 = T₂₁₀₄).

The spelling of 102214450 in words is "one hundred two million, two hundred fourteen thousand, four hundred fifty".