151946 has 16 divisors (see below), whose sum is σ = 249480. Its totient is φ = 69120.

The previous prime is 151939. The next prime is 151967. The reversal of 151946 is 649151.

It can be written as a sum of positive squares in 4 ways, for example, as 126025 + 25921 = 355^2 + 161^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151946.

It is an unprimeable number.

151946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 1448.

2¹⁵¹⁹⁴⁶ is an apocalyptic number.

151946 is a deficient number, since it is larger than the sum of its proper divisors (97534).

151946 is a wasteful number, since it uses less digits than its factorization.

151946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 1080, while the sum is 26.

The square root of 151946 is about 389.8025141017. The cubic root of 151946 is about 53.3617123272.

The spelling of 151946 in words is "one hundred fifty-one thousand, nine hundred forty-six".