158423002 has 8 divisors (see below), whose sum is σ = 238172256. Its totient is φ = 79032252.

The previous prime is 158422987. The next prime is 158423003. The reversal of 158423002 is 200324851.

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

It is not an unprimeable number, because it can be changed into a prime (158423003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88518 + ... + 90289.

It is an arithmetic number, because the mean of its divisors is an integer number (29771532).

Almost surely, 2^158423002 is an apocalyptic number.

158423002 is a deficient number, since it is larger than the sum of its proper divisors (79749254).

158423002 is a wasteful number, since it uses less digits than its factorization.

158423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179252.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 158423002 is about 12586.6199593060. The cubic root of 158423002 is about 541.0940348567.

Adding to 158423002 its reverse (200324851), we get a palindrome (358747853).

The spelling of 158423002 in words is "one hundred fifty-eight million, four hundred twenty-three thousand, two".