153440652 has 12 divisors (see below), whose sum is σ = 358028216. Its totient is φ = 51146880.

The previous prime is 153440633. The next prime is 153440663. The reversal of 153440652 is 256044351.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6393349 + ... + 6393372.

Almost surely, 2^153440652 is an apocalyptic number.

153440652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153440652 is an abundant number, since it is smaller than the sum of its proper divisors (204587564).

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

153440652 is a wasteful number, since it uses less digits than its factorization.

153440652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786728 (or 12786726 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 153440652 is about 12387.1163714563. The cubic root of 153440652 is about 535.3611001504.

The spelling of 153440652 in words is "one hundred fifty-three million, four hundred forty thousand, six hundred fifty-two".