153216420 has 48 divisors (see below), whose sum is σ = 490293888. Its totient is φ = 35020800.

The previous prime is 153216419. The next prime is 153216431. The reversal of 153216420 is 24612351.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181981 + ... + 182820.

It is an arithmetic number, because the mean of its divisors is an integer number (10214456).

Almost surely, 2^153216420 is an apocalyptic number.

153216420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153216420 is an abundant number, since it is smaller than the sum of its proper divisors (337077468).

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

153216420 is a wasteful number, since it uses less digits than its factorization.

153216420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364820 (or 364818 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 153216420 is about 12378.0620454092. The cubic root of 153216420 is about 535.1001879507.

Adding to 153216420 its reverse (24612351), we get a palindrome (177828771).

The spelling of 153216420 in words is "one hundred fifty-three million, two hundred sixteen thousand, four hundred twenty".