498499145 has 4 divisors (see below), whose sum is σ = 598198980. Its totient is φ = 398799312.

The previous prime is 498499139. The next prime is 498499153. The reversal of 498499145 is 541994894.

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 139169209 + 359329936 = 11797^2 + 18956^2 .

It is a cyclic number.

It is not a de Polignac number, because 498499145 - 2⁶ = 498499081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49849910 + ... + 49849919.

It is an arithmetic number, because the mean of its divisors is an integer number (149549745).

Almost surely, 2^498499145 is an apocalyptic number.

It is an amenable number.

498499145 is a deficient number, since it is larger than the sum of its proper divisors (99699835).

498499145 is an equidigital number, since it uses as much as digits as its factorization.

498499145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99699834.

The product of its digits is 1866240, while the sum is 53.

The square root of 498499145 is about 22327.0944146344. The cubic root of 498499145 is about 792.9055771155.

The spelling of 498499145 in words is "four hundred ninety-eight million, four hundred ninety-nine thousand, one hundred forty-five".