158940946 has 16 divisors (see below), whose sum is σ = 240276960. Its totient is φ = 78851520.

The previous prime is 158940913. The next prime is 158940959. The reversal of 158940946 is 649049851.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 158940896 and 158940905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201565 + ... + 202351.

It is an arithmetic number, because the mean of its divisors is an integer number (15017310).

Almost surely, 2^158940946 is an apocalyptic number.

158940946 is a deficient number, since it is larger than the sum of its proper divisors (81336014).

158940946 is a wasteful number, since it uses less digits than its factorization.

158940946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 158940946 is about 12607.1783520342. The cubic root of 158940946 is about 541.6830729337.

The spelling of 158940946 in words is "one hundred fifty-eight million, nine hundred forty thousand, nine hundred forty-six".