154720 has 24 divisors (see below), whose sum is σ = 365904. Its totient is φ = 61824.

The previous prime is 154699. The next prime is 154723. The reversal of 154720 is 27451.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154723) by changing a digit.

154720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (15246).

2¹⁵⁴⁷²⁰ is an apocalyptic number.

154720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154720 is an abundant number, since it is smaller than the sum of its proper divisors (211184).

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

154720 is an equidigital number, since it uses as much as digits as its factorization.

154720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 154720 is about 393.3446326061. The cubic root of 154720 is about 53.6844884207.

The spelling of 154720 in words is "one hundred fifty-four thousand, seven hundred twenty".