151107840 has 216 divisors, whose sum is σ = 563592120. Its totient is φ = 37158912.

The previous prime is 151107839. The next prime is 151107841. The reversal of 151107840 is 48701151.

It is an interprime number because it is at equal distance from previous prime (151107839) and next prime (151107841).

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 150994944 = 336^2 + 12288^2 .

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (151107841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149256 + ... + 150264.

Almost surely, 2^151107840 is an apocalyptic number.

151107840 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 151107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281796060).

151107840 is an abundant number, since it is smaller than the sum of its proper divisors (412484280).

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

151107840 is a wasteful number, since it uses less digits than its factorization.

151107840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 151107840 is about 12292.5928916563. The cubic root of 151107840 is about 532.6341393206.

Adding to 151107840 its reverse (48701151), we get a palindrome (199808991).

The spelling of 151107840 in words is "one hundred fifty-one million, one hundred seven thousand, eight hundred forty".