1452620153 has 4 divisors (see below), whose sum is σ = 1453218660. Its totient is φ = 1452021648.

The previous prime is 1452620149. The next prime is 1452620159. The reversal of 1452620153 is 3510262541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1206381289 + 246238864 = 34733^2 + 15692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452620153 - 2² = 1452620149 is a prime.

It is a super-2 number, since 2×1452620153² = 4220210617803486818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452620159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295598 + ... + 300471.

It is an arithmetic number, because the mean of its divisors is an integer number (363304665).

Almost surely, 2^1452620153 is an apocalyptic number.

It is an amenable number.

1452620153 is a deficient number, since it is larger than the sum of its proper divisors (598507).

1452620153 is an equidigital number, since it uses as much as digits as its factorization.

1452620153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598506.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1452620153 is about 38113.2542955859. The cubic root of 1452620153 is about 1132.5325382163.

Adding to 1452620153 its reverse (3510262541), we get a palindrome (4962882694).

The spelling of 1452620153 in words is "one billion, four hundred fifty-two million, six hundred twenty thousand, one hundred fifty-three".