165726142 has 8 divisors (see below), whose sum is σ = 252664632. Its totient is φ = 81504600.

The previous prime is 165726137. The next prime is 165726161. The reversal of 165726142 is 241627561.

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 = 165726098 and 165726107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679084 + ... + 679327.

It is an arithmetic number, because the mean of its divisors is an integer number (31583079).

Almost surely, 2^165726142 is an apocalyptic number.

165726142 is a deficient number, since it is larger than the sum of its proper divisors (86938490).

165726142 is a wasteful number, since it uses less digits than its factorization.

165726142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358474.

The product of its digits is 20160, while the sum is 34.

The square root of 165726142 is about 12873.4665882970. The cubic root of 165726142 is about 549.2840734524.

The spelling of 165726142 in words is "one hundred sixty-five million, seven hundred twenty-six thousand, one hundred forty-two".