153994720 has 96 divisors (see below), whose sum is σ = 403885440. Its totient is φ = 55011840.

The previous prime is 153994717. The next prime is 153994747. The reversal of 153994720 is 27499351.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 15 ways as a sum of consecutive naturals, for example, 103099 + ... + 104581.

It is an arithmetic number, because the mean of its divisors is an integer number (4207140).

Almost surely, 2^153994720 is an apocalyptic number.

153994720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153994720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201942720).

153994720 is an abundant number, since it is smaller than the sum of its proper divisors (249890720).

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

153994720 is a wasteful number, since it uses less digits than its factorization.

153994720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 153994720 is about 12409.4609069049. The cubic root of 153994720 is about 536.0047151883.

The spelling of 153994720 in words is "one hundred fifty-three million, nine hundred ninety-four thousand, seven hundred twenty".