102153389 has 4 divisors (see below), whose sum is σ = 110011356. Its totient is φ = 94295424.

The previous prime is 102153379. The next prime is 102153413. The reversal of 102153389 is 983351201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8702500 + 93450889 = 2950^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 102153389 - 2²⁴ = 85376173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102153379) 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, 3928964 + ... + 3928989.

It is an arithmetic number, because the mean of its divisors is an integer number (27502839).

Almost surely, 2^102153389 is an apocalyptic number.

It is an amenable number.

102153389 is a deficient number, since it is larger than the sum of its proper divisors (7857967).

102153389 is an equidigital number, since it uses as much as digits as its factorization.

102153389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857966.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 102153389 is about 10107.0959726323. The cubic root of 102153389 is about 467.4669659330.

The spelling of 102153389 in words is "one hundred two million, one hundred fifty-three thousand, three hundred eighty-nine".