154272 has 24 divisors (see below), whose sum is σ = 405216. Its totient is φ = 51392.

The previous prime is 154267. The next prime is 154277. The reversal of 154272 is 272451.

It is an interprime number because it is at equal distance from previous prime (154267) and next prime (154277).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154277) by changing a digit.

154272 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, 708 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (16884).

2¹⁵⁴²⁷² is an apocalyptic number.

154272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154272 is an abundant number, since it is smaller than the sum of its proper divisors (250944).

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

154272 is a wasteful number, since it uses less digits than its factorization.

154272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1612 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 154272 is about 392.7747446056. The cubic root of 154272 is about 53.6326228969.

The spelling of 154272 in words is "one hundred fifty-four thousand, two hundred seventy-two".