150446 has 4 divisors (see below), whose sum is σ = 225672. Its totient is φ = 75222.

The previous prime is 150439. The next prime is 150473. The reversal of 150446 is 644051.

It is a happy number.

150446 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 150446.

It is an unprimeable number.

150446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37610 + ... + 37613.

It is an arithmetic number, because the mean of its divisors is an integer number (56418).

2¹⁵⁰⁴⁴⁶ is an apocalyptic number.

150446 is a deficient number, since it is larger than the sum of its proper divisors (75226).

150446 is an equidigital number, since it uses as much as digits as its factorization.

150446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75225.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 150446 is about 387.8736907809. The cubic root of 150446 is about 53.1855369884.

Subtracting from 150446 its sum of digits (20), we obtain a triangular number (150426 = T₅₄₈).

Adding to 150446 its reverse (644051), we get a palindrome (794497).

The spelling of 150446 in words is "one hundred fifty thousand, four hundred forty-six".