151873540 has 144 divisors (see below), whose sum is σ = 405820800. Its totient is φ = 47698560.

The previous prime is 151873511. The next prime is 151873543. The reversal of 151873540 is 45378151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 151873496 and 151873505.

It is not an unprimeable number, because it can be changed into a prime (151873543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1159275 + ... + 1159405.

It is an arithmetic number, because the mean of its divisors is an integer number (2818200).

Almost surely, 2^151873540 is an apocalyptic number.

151873540 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 151873540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202910400).

151873540 is an abundant number, since it is smaller than the sum of its proper divisors (253947260).

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

151873540 is a wasteful number, since it uses less digits than its factorization.

151873540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 151873540 is about 12323.6983085436. The cubic root of 151873540 is about 533.5322860173.

The spelling of 151873540 in words is "one hundred fifty-one million, eight hundred seventy-three thousand, five hundred forty".