153421672 has 16 divisors (see below), whose sum is σ = 294682500. Its totient is φ = 74839680.

The previous prime is 153421669. The next prime is 153421711. The reversal of 153421672 is 276124351.

153421672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 148986436 + 4435236 = 12206^2 + 2106^2 .

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, 233547 + ... + 234202.

Almost surely, 2^153421672 is an apocalyptic number.

It is an amenable number.

153421672 is a deficient number, since it is larger than the sum of its proper divisors (141260828).

153421672 is a wasteful number, since it uses less digits than its factorization.

153421672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467796 (or 467792 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 153421672 is about 12386.3502291837. The cubic root of 153421672 is about 535.3390252253.

The spelling of 153421672 in words is "one hundred fifty-three million, four hundred twenty-one thousand, six hundred seventy-two".