499370148 has 18 divisors (see below), whose sum is σ = 1262296854. Its totient is φ = 166456704.

The previous prime is 499370147. The next prime is 499370153. The reversal of 499370148 is 841073994.

It can be written as a sum of positive squares in only one way, i.e., 304432704 + 194937444 = 17448^2 + 13962^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 not an unprimeable number, because it can be changed into a prime (499370143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6935661 + ... + 6935732.

It is an arithmetic number, because the mean of its divisors is an integer number (70127603).

Almost surely, 2^499370148 is an apocalyptic number.

It is an amenable number.

499370148 is an abundant number, since it is smaller than the sum of its proper divisors (762926706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499370148 is a wasteful number, since it uses less digits than its factorization.

499370148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871403 (or 13871398 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 499370148 is about 22346.5914179322. The cubic root of 499370148 is about 793.3671100340.

The spelling of 499370148 in words is "four hundred ninety-nine million, three hundred seventy thousand, one hundred forty-eight".