158394002 has 8 divisors (see below), whose sum is σ = 255867276. Its totient is φ = 73104912.

The previous prime is 158393987. The next prime is 158394037. The reversal of 158394002 is 200493851.

It can be written as a sum of positive squares in 2 ways, for example, as 147889921 + 10504081 = 12161^2 + 3241^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 158394002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046013 + ... + 3046064.

Almost surely, 2^158394002 is an apocalyptic number.

158394002 is a deficient number, since it is larger than the sum of its proper divisors (97473274).

158394002 is a wasteful number, since it uses less digits than its factorization.

158394002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092092.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 158394002 is about 12585.4678895939. The cubic root of 158394002 is about 541.0610163253.

The spelling of 158394002 in words is "one hundred fifty-eight million, three hundred ninety-four thousand, two".