153213642 has 24 divisors (see below), whose sum is σ = 332523360. Its totient is φ = 50985000.

The previous prime is 153213637. The next prime is 153213703. The reversal of 153213642 is 246312351.

153213642 is a `hidden beast` number, since 1 + 5 + 3 + 2 + 13 + 642 = 666.

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 11 ways as a sum of consecutive naturals, for example, 4267 + ... + 18017.

It is an arithmetic number, because the mean of its divisors is an integer number (13855140).

Almost surely, 2^153213642 is an apocalyptic number.

153213642 is an abundant number, since it is smaller than the sum of its proper divisors (179309718).

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

153213642 is a wasteful number, since it uses less digits than its factorization.

153213642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378 (or 14375 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 153213642 is about 12377.9498302425. The cubic root of 153213642 is about 535.0969539255.

Adding to 153213642 its reverse (246312351), we get a palindrome (399525993).

The spelling of 153213642 in words is "one hundred fifty-three million, two hundred thirteen thousand, six hundred forty-two".