102045453 has 4 divisors (see below), whose sum is σ = 136060608. Its totient is φ = 68030300.

The previous prime is 102045443. The next prime is 102045467. The reversal of 102045453 is 354540201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354540201 = 3 ⋅118180067.

It is a cyclic number.

It is not a de Polignac number, because 102045453 - 2⁸ = 102045197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102045443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17007573 + ... + 17007578.

It is an arithmetic number, because the mean of its divisors is an integer number (34015152).

Almost surely, 2^102045453 is an apocalyptic number.

It is an amenable number.

102045453 is a deficient number, since it is larger than the sum of its proper divisors (34015155).

102045453 is an equidigital number, since it uses as much as digits as its factorization.

102045453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34015154.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 102045453 is about 10101.7549465427. The cubic root of 102045453 is about 467.3022649336.

Adding to 102045453 its reverse (354540201), we get a palindrome (456585654).

The spelling of 102045453 in words is "one hundred two million, forty-five thousand, four hundred fifty-three".