156450 has 48 divisors (see below), whose sum is σ = 446400. Its totient is φ = 35520.

The previous prime is 156437. The next prime is 156467. The reversal of 156450 is 54651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

156450 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 23 ways as a sum of consecutive naturals, for example, 976 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (9300).

156450 is a Friedman number, since it can be written as 10*(5^6+5*4), using all its digits and the basic arithmetic operations.

2¹⁵⁶⁴⁵⁰ is an apocalyptic number.

156450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223200).

156450 is an abundant number, since it is smaller than the sum of its proper divisors (289950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156450 is a wasteful number, since it uses less digits than its factorization.

156450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 156450 is about 395.5376088313. The cubic root of 156450 is about 53.8838380894.

It can be divided in two parts, 156 and 450, that added together give a palindrome (606).

The spelling of 156450 in words is "one hundred fifty-six thousand, four hundred fifty".