151224540 has 48 divisors (see below), whose sum is σ = 441842688. Its totient is φ = 38572864.

The previous prime is 151224509. The next prime is 151224583. The reversal of 151224540 is 45422151.

It is a super-2 number, since 2×151224540² = 45737722996423200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151224540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53412 + ... + 56171.

It is an arithmetic number, because the mean of its divisors is an integer number (9205056).

Almost surely, 2^151224540 is an apocalyptic number.

151224540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151224540 is an abundant number, since it is smaller than the sum of its proper divisors (290618148).

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

151224540 is a wasteful number, since it uses less digits than its factorization.

151224540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109618 (or 109616 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 151224540 is about 12297.3387364909. The cubic root of 151224540 is about 532.7712211322.

Adding to 151224540 its reverse (45422151), we get a palindrome (196646691).

The spelling of 151224540 in words is "one hundred fifty-one million, two hundred twenty-four thousand, five hundred forty".