151506 has 24 divisors (see below), whose sum is σ = 346320. Its totient is φ = 47736.

The previous prime is 151499. The next prime is 151507. The reversal of 151506 is 605151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (151507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (14430).

2¹⁵¹⁵⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173160).

151506 is an abundant number, since it is smaller than the sum of its proper divisors (194814).

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

151506 is a wasteful number, since it uses less digits than its factorization.

151506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 151506 is about 389.2377165692. The cubic root of 151506 is about 53.3101548587.

Adding to 151506 its reverse (605151), we get a palindrome (756657).

It can be divided in two parts, 15 and 1506, that added together give a square (1521 = 39²).

The spelling of 151506 in words is "one hundred fifty-one thousand, five hundred six".