153233720 has 16 divisors (see below), whose sum is σ = 344775960. Its totient is φ = 61293472.

The previous prime is 153233719. The next prime is 153233723. The reversal of 153233720 is 27332351.

It is a self number, because there is not a number n which added to its sum of digits gives 153233720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153233723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915382 + ... + 1915461.

Almost surely, 2^153233720 is an apocalyptic number.

153233720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153233720 is an abundant number, since it is smaller than the sum of its proper divisors (191542240).

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

153233720 is a wasteful number, since it uses less digits than its factorization.

153233720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830854 (or 3830850 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 153233720 is about 12378.7608426692. The cubic root of 153233720 is about 535.1203269690.

The spelling of 153233720 in words is "one hundred fifty-three million, two hundred thirty-three thousand, seven hundred twenty".