158397548446 has 4 divisors (see below), whose sum is σ = 237596322672. Its totient is φ = 79198774222.

The previous prime is 158397548401. The next prime is 158397548579. The reversal of 158397548446 is 644845793851.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39599387110 + ... + 39599387113.

It is an arithmetic number, because the mean of its divisors is an integer number (59399080668).

Almost surely, 2^158397548446 is an apocalyptic number.

158397548446 is a deficient number, since it is larger than the sum of its proper divisors (79198774226).

158397548446 is an equidigital number, since it uses as much as digits as its factorization.

158397548446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79198774225.

The product of its digits is 116121600, while the sum is 64.

The spelling of 158397548446 in words is "one hundred fifty-eight billion, three hundred ninety-seven million, five hundred forty-eight thousand, four hundred forty-six".