152420633 has 4 divisors (see below), whose sum is σ = 155296548. Its totient is φ = 149544720.

The previous prime is 152420621. The next prime is 152420647. The reversal of 152420633 is 336024251.

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 67190809 + 85229824 = 8197^2 + 9232^2 .

It is a cyclic number.

It is not a de Polignac number, because 152420633 - 2⁴ = 152420617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152420693) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1437878 + ... + 1437983.

It is an arithmetic number, because the mean of its divisors is an integer number (38824137).

Almost surely, 2^152420633 is an apocalyptic number.

It is an amenable number.

152420633 is a deficient number, since it is larger than the sum of its proper divisors (2875915).

152420633 is an equidigital number, since it uses as much as digits as its factorization.

152420633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875914.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 152420633 is about 12345.8751411149. The cubic root of 152420633 is about 534.1721648389.

Adding to 152420633 its reverse (336024251), we get a palindrome (488444884).

The spelling of 152420633 in words is "one hundred fifty-two million, four hundred twenty thousand, six hundred thirty-three".