102144474 has 12 divisors (see below), whose sum is σ = 221313066. Its totient is φ = 34048152.

The previous prime is 102144451. The next prime is 102144491. The reversal of 102144474 is 474441201.

102144474 is a `hidden beast` number, since 1 + 0 + 214 + 447 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 20115225 = 9057^2 + 4485^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2837329 + ... + 2837364.

Almost surely, 2^102144474 is an apocalyptic number.

102144474 is an abundant number, since it is smaller than the sum of its proper divisors (119168592).

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

102144474 is a wasteful number, since it uses less digits than its factorization.

102144474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674701 (or 5674698 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 102144474 is about 10106.6549362289. The cubic root of 102144474 is about 467.4533668108.

Adding to 102144474 its reverse (474441201), we get a palindrome (576585675).

The spelling of 102144474 in words is "one hundred two million, one hundred forty-four thousand, four hundred seventy-four".