151146540 has 96 divisors (see below), whose sum is σ = 474586560. Its totient is φ = 39932928.

The previous prime is 151146529. The next prime is 151146557. The reversal of 151146540 is 45641151.

151146540 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 4 + 654 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 59782 + ... + 62258.

It is an arithmetic number, because the mean of its divisors is an integer number (4943610).

Almost surely, 2^151146540 is an apocalyptic number.

151146540 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 151146540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237293280).

151146540 is an abundant number, since it is smaller than the sum of its proper divisors (323440020).

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

151146540 is a wasteful number, since it uses less digits than its factorization.

151146540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 151146540 is about 12294.1669095551. The cubic root of 151146540 is about 532.6796061469.

Adding to 151146540 its reverse (45641151), we get a palindrome (196787691).

The spelling of 151146540 in words is "one hundred fifty-one million, one hundred forty-six thousand, five hundred forty".