102153845399 has 4 divisors (see below), whose sum is σ = 102225133536. Its totient is φ = 102082557264.

The previous prime is 102153845347. The next prime is 102153845407. The reversal of 102153845399 is 993548351201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993548351201 = 7 ⋅141935478743.

It is a cyclic number.

It is not a de Polignac number, because 102153845399 - 2²⁴ = 102137068183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102153845999) 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, 35641919 + ... + 35644784.

It is an arithmetic number, because the mean of its divisors is an integer number (25556283384).

Almost surely, 2^102153845399 is an apocalyptic number.

102153845399 is a deficient number, since it is larger than the sum of its proper divisors (71288137).

102153845399 is an equidigital number, since it uses as much as digits as its factorization.

102153845399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71288136.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 102153845399 in words is "one hundred two billion, one hundred fifty-three million, eight hundred forty-five thousand, three hundred ninety-nine".