102453505 has 32 divisors (see below), whose sum is σ = 156204288. Its totient is φ = 62649600.

The previous prime is 102453503. The next prime is 102453517. The reversal of 102453505 is 505354201.

It is not a de Polignac number, because 102453505 - 2¹ = 102453503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102453505.

It is not an unprimeable number, because it can be changed into a prime (102453503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17895 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (4881384).

Almost surely, 2^102453505 is an apocalyptic number.

It is an amenable number.

102453505 is a deficient number, since it is larger than the sum of its proper divisors (53750783).

102453505 is a wasteful number, since it uses less digits than its factorization.

102453505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 102453505 is about 10121.9318808220. The cubic root of 102453505 is about 467.9243080767.

The spelling of 102453505 in words is "one hundred two million, four hundred fifty-three thousand, five hundred five".