151665144 has 64 divisors (see below), whose sum is σ = 412032000. Its totient is φ = 46344960.

The previous prime is 151665139. The next prime is 151665161. The reversal of 151665144 is 441566151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8772 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (6438000).

Almost surely, 2^151665144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151665144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206016000).

151665144 is an abundant number, since it is smaller than the sum of its proper divisors (260366856).

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

151665144 is a wasteful number, since it uses less digits than its factorization.

151665144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788 (or 10784 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 151665144 is about 12315.2403143422. The cubic root of 151665144 is about 533.2881423515.

The spelling of 151665144 in words is "one hundred fifty-one million, six hundred sixty-five thousand, one hundred forty-four".