151501 has 8 divisors (see below), whose sum is σ = 180864. Its totient is φ = 124080.

The previous prime is 151499. The next prime is 151507. The reversal of 151501 is 105151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151501 - 2¹ = 151499 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (22608).

2¹⁵¹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

151501 is a deficient number, since it is larger than the sum of its proper divisors (29363).

151501 is an equidigital number, since it uses as much as digits as its factorization.

151501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 151501 is about 389.2312937059. The cubic root of 151501 is about 53.3095684052.

Adding to 151501 its reverse (105151), we get a palindrome (256652).

It can be divided in two parts, 15150 and 1, that added together give a palindrome (15151).

The spelling of 151501 in words is "one hundred fifty-one thousand, five hundred one".