151951 has 8 divisors (see below), whose sum is σ = 160704. Its totient is φ = 143520.

The previous prime is 151939. The next prime is 151967. The reversal of 151951 is 159151.

151951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 151951 - 2¹⁵ = 119183 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 (151901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2¹⁵¹⁹⁵¹ is an apocalyptic number.

151951 is a deficient number, since it is larger than the sum of its proper divisors (8753).

151951 is an equidigital number, since it uses as much as digits as its factorization.

151951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its digits is 225, while the sum is 22.

The square root of 151951 is about 389.8089275530. The cubic root of 151951 is about 53.3622976353.

The spelling of 151951 in words is "one hundred fifty-one thousand, nine hundred fifty-one".