153445252 has 6 divisors (see below), whose sum is σ = 268529198. Its totient is φ = 76722624.

The previous prime is 153445249. The next prime is 153445261. The reversal of 153445252 is 252544351.

It can be written as a sum of positive squares in only one way, i.e., 153363456 + 81796 = 12384^2 + 286^2 .

It is a super-2 number, since 2×153445252² = 47090890722687008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 19180653 + ... + 19180660.

Almost surely, 2^153445252 is an apocalyptic number.

It is an amenable number.

153445252 is a deficient number, since it is larger than the sum of its proper divisors (115083946).

153445252 is a wasteful number, since it uses less digits than its factorization.

153445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38361317 (or 38361315 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 153445252 is about 12387.3020468543. The cubic root of 153445252 is about 535.3664499635.

Subtracting 153445252 from its reverse (252544351), we obtain a palindrome (99099099).

The spelling of 153445252 in words is "one hundred fifty-three million, four hundred forty-five thousand, two hundred fifty-two".