158946743 has 8 divisors (see below), whose sum is σ = 162346800. Its totient is φ = 155582208.

The previous prime is 158946731. The next prime is 158946751. The reversal of 158946743 is 347649851.

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

It is a cyclic number.

It is not a de Polignac number, because 158946743 - 2⁴ = 158946727 is a prime.

It is a super-2 number, since 2×158946743² = 50528134220616098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158946773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263 + ... + 17831.

It is an arithmetic number, because the mean of its divisors is an integer number (20293350).

Almost surely, 2^158946743 is an apocalyptic number.

158946743 is a deficient number, since it is larger than the sum of its proper divisors (3400057).

158946743 is a wasteful number, since it uses less digits than its factorization.

158946743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761.

The product of its digits is 725760, while the sum is 47.

The square root of 158946743 is about 12607.4082586390. The cubic root of 158946743 is about 541.6896583955.

The spelling of 158946743 in words is "one hundred fifty-eight million, nine hundred forty-six thousand, seven hundred forty-three".