151481680 has 160 divisors (see below), whose sum is σ = 442828800. Its totient is φ = 46987776.

The previous prime is 151481677. The next prime is 151481767. The reversal of 151481680 is 86184151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244411 + ... + 245029.

It is an arithmetic number, because the mean of its divisors is an integer number (2767680).

Almost surely, 2^151481680 is an apocalyptic number.

151481680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151481680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221414400).

151481680 is an abundant number, since it is smaller than the sum of its proper divisors (291347120).

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

151481680 is a wasteful number, since it uses less digits than its factorization.

151481680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 151481680 is about 12307.7894034632. The cubic root of 151481680 is about 533.0730222728.

The spelling of 151481680 in words is "one hundred fifty-one million, four hundred eighty-one thousand, six hundred eighty".