102030464 has 32 divisors (see below), whose sum is σ = 215225100. Its totient is φ = 48013312.

The previous prime is 102030451. The next prime is 102030473. The reversal of 102030464 is 464030201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99840064 + 2190400 = 9992^2 + 1480^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21269 + ... + 25620.

Almost surely, 2^102030464 is an apocalyptic number.

It is an amenable number.

102030464 is an abundant number, since it is smaller than the sum of its proper divisors (113194636).

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

102030464 is an equidigital number, since it uses as much as digits as its factorization.

102030464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46920 (or 46908 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102030464 is about 10101.0130185046. The cubic root of 102030464 is about 467.2793838336.

Adding to 102030464 its reverse (464030201), we get a palindrome (566060665).

The spelling of 102030464 in words is "one hundred two million, thirty thousand, four hundred sixty-four".