152420502 has 32 divisors (see below), whose sum is σ = 331214688. Its totient is φ = 46480896.

The previous prime is 152420497. The next prime is 152420519. The reversal of 152420502 is 205024251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 17460.

It is an arithmetic number, because the mean of its divisors is an integer number (10350459).

Almost surely, 2^152420502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152420502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165607344).

152420502 is an abundant number, since it is smaller than the sum of its proper divisors (178794186).

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

152420502 is a wasteful number, since it uses less digits than its factorization.

152420502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17424.

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

The square root of 152420502 is about 12345.8698356981. The cubic root of 152420502 is about 534.1720118050.

Adding to 152420502 its reverse (205024251), we get a palindrome (357444753).

The spelling of 152420502 in words is "one hundred fifty-two million, four hundred twenty thousand, five hundred two".