144162072 has 32 divisors (see below), whose sum is σ = 400450800. Its totient is φ = 48053952.

The previous prime is 144162071. The next prime is 144162077. The reversal of 144162072 is 270261441.

144162072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144162071) 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, 333493 + ... + 333924.

Almost surely, 2^144162072 is an apocalyptic number.

144162072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144162072 is an abundant number, since it is smaller than the sum of its proper divisors (256288728).

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

144162072 is a wasteful number, since it uses less digits than its factorization.

144162072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667432 (or 667422 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 144162072 is about 12006.7511009432. The cubic root of 144162072 is about 524.3448480766.

The spelling of 144162072 in words is "one hundred forty-four million, one hundred sixty-two thousand, seventy-two".