158214512902 has 4 divisors (see below), whose sum is σ = 237321769356. Its totient is φ = 79107256450.

The previous prime is 158214512843. The next prime is 158214512903. The reversal of 158214512902 is 209215412851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 209215412851 = 211 ⋅991542241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158214512903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39553628224 + ... + 39553628227.

It is an arithmetic number, because the mean of its divisors is an integer number (59330442339).

Almost surely, 2^158214512902 is an apocalyptic number.

158214512902 is a deficient number, since it is larger than the sum of its proper divisors (79107256454).

158214512902 is an equidigital number, since it uses as much as digits as its factorization.

158214512902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79107256453.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 158214512902 in words is "one hundred fifty-eight billion, two hundred fourteen million, five hundred twelve thousand, nine hundred two".