144562272 has 48 divisors (see below), whose sum is σ = 385922880. Its totient is φ = 47368832.

The previous prime is 144562267. The next prime is 144562273. The reversal of 144562272 is 272265441.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144562273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (8040060).

Almost surely, 2^144562272 is an apocalyptic number.

144562272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144562272 is an abundant number, since it is smaller than the sum of its proper divisors (241360608).

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

144562272 is a wasteful number, since it uses less digits than its factorization.

144562272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595 (or 25587 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 144562272 is about 12023.4051749078. The cubic root of 144562272 is about 524.8296009354.

The spelling of 144562272 in words is "one hundred forty-four million, five hundred sixty-two thousand, two hundred seventy-two".