153043640 has 32 divisors (see below), whose sum is σ = 350190000. Its totient is φ = 60178944.

The previous prime is 153043607. The next prime is 153043663. The reversal of 153043640 is 46340351.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30065 + ... + 34784.

Almost surely, 2^153043640 is an apocalyptic number.

153043640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153043640 is an abundant number, since it is smaller than the sum of its proper divisors (197146360).

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

153043640 is a wasteful number, since it uses less digits than its factorization.

153043640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64919 (or 64915 counting only the distinct ones).

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

The square root of 153043640 is about 12371.0807935281. The cubic root of 153043640 is about 534.8989706454.

Adding to 153043640 its reverse (46340351), we get a palindrome (199383991).

The spelling of 153043640 in words is "one hundred fifty-three million, forty-three thousand, six hundred forty".