102453145 has 16 divisors (see below), whose sum is σ = 124966800. Its totient is φ = 80625664.

The previous prime is 102453107. The next prime is 102453157. The reversal of 102453145 is 541354201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 42406144 + 60047001 = 6512^2 + 7749^2 .

It is a cyclic number.

It is not a de Polignac number, because 102453145 - 2⁹ = 102452633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83577 + ... + 84793.

It is an arithmetic number, because the mean of its divisors is an integer number (7810425).

Almost surely, 2^102453145 is an apocalyptic number.

It is an amenable number.

102453145 is a deficient number, since it is larger than the sum of its proper divisors (22513655).

102453145 is a wasteful number, since it uses less digits than its factorization.

102453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102453145 is about 10121.9140976398. The cubic root of 102453145 is about 467.9237600136.

The spelling of 102453145 in words is "one hundred two million, four hundred fifty-three thousand, one hundred forty-five".