153944652 has 12 divisors (see below), whose sum is σ = 359204216. Its totient is φ = 51314880.

The previous prime is 153944647. The next prime is 153944671. The reversal of 153944652 is 256449351.

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

It is a super-2 number, since 2×153944652² = 47397911758802208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153944652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6414349 + ... + 6414372.

Almost surely, 2^153944652 is an apocalyptic number.

153944652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153944652 is an abundant number, since it is smaller than the sum of its proper divisors (205259564).

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

153944652 is a wasteful number, since it uses less digits than its factorization.

153944652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828728 (or 12828726 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 153944652 is about 12407.4434111142. The cubic root of 153944652 is about 535.9466188392.

The spelling of 153944652 in words is "one hundred fifty-three million, nine hundred forty-four thousand, six hundred fifty-two".