144947712 has 320 divisors, whose sum is σ = 511467264. Its totient is φ = 35389440.

The previous prime is 144947689. The next prime is 144947717. The reversal of 144947712 is 217749441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144947717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376162 + ... + 2376222.

Almost surely, 2^144947712 is an apocalyptic number.

144947712 is a gapful number since it is divisible by the number (12) 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 144947712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255733632).

144947712 is an abundant number, since it is smaller than the sum of its proper divisors (366519552).

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

144947712 is a wasteful number, since it uses less digits than its factorization.

144947712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 103 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 144947712 is about 12039.4232419996. The cubic root of 144947712 is about 525.2956303231.

The spelling of 144947712 in words is "one hundred forty-four million, nine hundred forty-seven thousand, seven hundred twelve".