158729046 has 16 divisors (see below), whose sum is σ = 362809344. Its totient is φ = 45351144.

The previous prime is 158729027. The next prime is 158729089. The reversal of 158729046 is 640927851.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3779263 = 158729046 / (1 + 5 + 8 + 7 + 2 + 9 + 0 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 158728989 and 158729007.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1889590 + ... + 1889673.

It is an arithmetic number, because the mean of its divisors is an integer number (22675584).

Almost surely, 2^158729046 is an apocalyptic number.

158729046 is an abundant number, since it is smaller than the sum of its proper divisors (204080298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158729046 is a wasteful number, since it uses less digits than its factorization.

158729046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779275.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 158729046 is about 12598.7716067877. The cubic root of 158729046 is about 541.4422419978.

The spelling of 158729046 in words is "one hundred fifty-eight million, seven hundred twenty-nine thousand, forty-six".