158345478603 has 12 divisors (see below), whose sum is σ = 246315189120. Its totient is φ = 97443371376.

The previous prime is 158345478587. The next prime is 158345478607. The reversal of 158345478603 is 306874543851.

158345478603 is a `hidden beast` number, since 1 + 5 + 8 + 34 + 547 + 8 + 60 + 3 = 666.

It is not a de Polignac number, because 158345478603 - 2⁴ = 158345478587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158345478603.

It is not an unprimeable number, because it can be changed into a prime (158345478607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676689963 + ... + 676690196.

It is an arithmetic number, because the mean of its divisors is an integer number (20526265760).

Almost surely, 2^158345478603 is an apocalyptic number.

158345478603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

158345478603 is a deficient number, since it is larger than the sum of its proper divisors (87969710517).

158345478603 is a wasteful number, since it uses less digits than its factorization.

158345478603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353380178 (or 1353380175 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 158345478603 in words is "one hundred fifty-eight billion, three hundred forty-five million, four hundred seventy-eight thousand, six hundred three".