151641 has 24 divisors (see below), whose sum is σ = 262080. Its totient is φ = 82656.

The previous prime is 151637. The next prime is 151643. The reversal of 151641 is 146151.

151641 = T₁₄ + T₁₅ + ... + T₉₆.

It is not a de Polignac number, because 151641 - 2² = 151637 is a prime.

It is an Ulam number.

It is a Curzon number.

151641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (151643) 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 23 ways as a sum of consecutive naturals, for example, 1786 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹⁵¹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

151641 is a deficient number, since it is larger than the sum of its proper divisors (110439).

151641 is a wasteful number, since it uses less digits than its factorization.

151641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 122 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 151641 is about 389.4110938327. The cubic root of 151641 is about 53.3259842304.

Adding to 151641 its reverse (146151), we get a palindrome (297792).

The spelling of 151641 in words is "one hundred fifty-one thousand, six hundred forty-one".