152520303 has 24 divisors (see below), whose sum is σ = 221192832. Its totient is φ = 93439008.

The previous prime is 152520293. The next prime is 152520307. The reversal of 152520303 is 303025251.

It is not a de Polignac number, because 152520303 - 2⁹ = 152519791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152520303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152520307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142950 + ... + 144012.

It is an arithmetic number, because the mean of its divisors is an integer number (9216368).

Almost surely, 2^152520303 is an apocalyptic number.

152520303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

152520303 is a deficient number, since it is larger than the sum of its proper divisors (68672529).

152520303 is a wasteful number, since it uses less digits than its factorization.

152520303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 152520303 is about 12349.9110523113. The cubic root of 152520303 is about 534.2885737044.

Adding to 152520303 its reverse (303025251), we get a palindrome (455545554).

The spelling of 152520303 in words is "one hundred fifty-two million, five hundred twenty thousand, three hundred three".