502452145 has 8 divisors (see below), whose sum is σ = 649322856. Its totient is φ = 371041536.

The previous prime is 502452121. The next prime is 502452149. The reversal of 502452145 is 541254205.

It can be written as a sum of positive squares in 4 ways, for example, as 43507216 + 458944929 = 6596^2 + 21423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 502452145 - 2⁵ = 502452113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502452149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3864952 + ... + 3865081.

It is an arithmetic number, because the mean of its divisors is an integer number (81165357).

Almost surely, 2^502452145 is an apocalyptic number.

It is an amenable number.

502452145 is a deficient number, since it is larger than the sum of its proper divisors (146870711).

502452145 is a wasteful number, since it uses less digits than its factorization.

502452145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730051.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 502452145 is about 22415.4443409003. Note that the first 3 decimals coincide. The cubic root of 502452145 is about 794.9959231361.

The spelling of 502452145 in words is "five hundred two million, four hundred fifty-two thousand, one hundred forty-five".