156420046 has 8 divisors (see below), whose sum is σ = 246979080. Its totient is φ = 74093688.

The previous prime is 156420041. The next prime is 156420059. The reversal of 156420046 is 640024651.

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

It is a junction number, because it is equal to n+sod(n) for n = 156419996 and 156420023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058121 + ... + 2058196.

It is an arithmetic number, because the mean of its divisors is an integer number (30872385).

Almost surely, 2^156420046 is an apocalyptic number.

156420046 is a deficient number, since it is larger than the sum of its proper divisors (90559034).

156420046 is a wasteful number, since it uses less digits than its factorization.

156420046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116338.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 156420046 is about 12506.7999904052. The cubic root of 156420046 is about 538.8039899382.

Adding to 156420046 its reverse (640024651), we get a palindrome (796444697).

The spelling of 156420046 in words is "one hundred fifty-six million, four hundred twenty thousand, forty-six".