152022540 has 24 divisors (see below), whose sum is σ = 425663280. Its totient is φ = 40539328.

The previous prime is 152022523. The next prime is 152022557. The reversal of 152022540 is 45220251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152022523) and next prime (152022557).

It is a super-2 number, since 2×152022540² = 46221705336103200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266795 + ... + 1266914.

It is an arithmetic number, because the mean of its divisors is an integer number (17735970).

Almost surely, 2^152022540 is an apocalyptic number.

152022540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152022540 is an abundant number, since it is smaller than the sum of its proper divisors (273640740).

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

152022540 is a wasteful number, since it uses less digits than its factorization.

152022540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533721 (or 2533719 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 152022540 is about 12329.7420897600. The cubic root of 152022540 is about 533.7067081656.

Adding to 152022540 its reverse (45220251), we get a palindrome (197242791).

The spelling of 152022540 in words is "one hundred fifty-two million, twenty-two thousand, five hundred forty".