499922145 has 64 divisors (see below), whose sum is σ = 956724480. Its totient is φ = 246758400.

The previous prime is 499922131. The next prime is 499922161. The reversal of 499922145 is 541229994.

It is not a de Polignac number, because 499922145 - 2⁵ = 499922113 is a prime.

It is a super-2 number, since 2×499922145² = 499844302122802050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 499922145.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138210 + ... + 141780.

It is an arithmetic number, because the mean of its divisors is an integer number (14948820).

Almost surely, 2^499922145 is an apocalyptic number.

499922145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499922145 is a deficient number, since it is larger than the sum of its proper divisors (456802335).

499922145 is a wasteful number, since it uses less digits than its factorization.

499922145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3657 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 499922145 is about 22358.9388165002. The cubic root of 499922145 is about 793.6593281428.

The spelling of 499922145 in words is "four hundred ninety-nine million, nine hundred twenty-two thousand, one hundred forty-five".