151845 has 16 divisors (see below), whose sum is σ = 248832. Its totient is φ = 79040.

The previous prime is 151841. The next prime is 151847. The reversal of 151845 is 548151.

It is not a de Polignac number, because 151845 - 2² = 151841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151841) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 700 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2¹⁵¹⁸⁴⁵ is an apocalyptic number.

151845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151845 is a deficient number, since it is larger than the sum of its proper divisors (96987).

151845 is a wasteful number, since it uses less digits than its factorization.

151845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 800, while the sum is 24.

The square root of 151845 is about 389.6729397841. The cubic root of 151845 is about 53.3498863550.

Adding to 151845 its reverse (548151), we get a palindrome (699996).

The spelling of 151845 in words is "one hundred fifty-one thousand, eight hundred forty-five".