199148502 has 32 divisors (see below), whose sum is σ = 457938432. Its totient is φ = 56556864.

The previous prime is 199148491. The next prime is 199148503. The reversal of 199148502 is 205841991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199148503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7183 + ... + 21210.

It is an arithmetic number, because the mean of its divisors is an integer number (14310576).

Almost surely, 2^199148502 is an apocalyptic number.

199148502 is an abundant number, since it is smaller than the sum of its proper divisors (258789930).

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

199148502 is a wasteful number, since it uses less digits than its factorization.

199148502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 199148502 is about 14111.9985119047. The cubic root of 199148502 is about 583.9724352881.

The spelling of 199148502 in words is "one hundred ninety-nine million, one hundred forty-eight thousand, five hundred two".