151522540 has 48 divisors (see below), whose sum is σ = 350669088. Its totient is φ = 54641664.

The previous prime is 151522537. The next prime is 151522541. The reversal of 151522540 is 45225151.

It is not an unprimeable number, because it can be changed into a prime (151522541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (7305606).

Almost surely, 2^151522540 is an apocalyptic number.

151522540 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 151522540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175334544).

151522540 is an abundant number, since it is smaller than the sum of its proper divisors (199146548).

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

151522540 is a wasteful number, since it uses less digits than its factorization.

151522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618 (or 13616 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 151522540 is about 12309.4492159479. The cubic root of 151522540 is about 533.1209475523.

Adding to 151522540 its reverse (45225151), we get a palindrome (196747691).

The spelling of 151522540 in words is "one hundred fifty-one million, five hundred twenty-two thousand, five hundred forty".