102030453 has 12 divisors (see below), whose sum is σ = 168431328. Its totient is φ = 58303080.

The previous prime is 102030451. The next prime is 102030473. The reversal of 102030453 is 354030201.

102030453 is a `hidden beast` number, since 10 + 203 + 0 + 453 = 666.

It is not a de Polignac number, because 102030453 - 2¹ = 102030451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030451) 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, 809703 + ... + 809828.

It is an arithmetic number, because the mean of its divisors is an integer number (14035944).

Almost surely, 2^102030453 is an apocalyptic number.

It is an amenable number.

102030453 is a deficient number, since it is larger than the sum of its proper divisors (66400875).

102030453 is a wasteful number, since it uses less digits than its factorization.

102030453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619544 (or 1619541 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 102030453 is about 10101.0124740048. The cubic root of 102030453 is about 467.2793670410.

Adding to 102030453 its reverse (354030201), we get a palindrome (456060654).

The spelling of 102030453 in words is "one hundred two million, thirty thousand, four hundred fifty-three".