144847020 has 24 divisors (see below), whose sum is σ = 405571824. Its totient is φ = 38625856.

The previous prime is 144847019. The next prime is 144847037. The reversal of 144847020 is 20748441.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206999 + ... + 1207118.

It is an arithmetic number, because the mean of its divisors is an integer number (16898826).

Almost surely, 2^144847020 is an apocalyptic number.

144847020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144847020 is an abundant number, since it is smaller than the sum of its proper divisors (260724804).

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

144847020 is a wasteful number, since it uses less digits than its factorization.

144847020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414129 (or 2414127 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 144847020 is about 12035.2407537199. The cubic root of 144847020 is about 525.1739650240.

The spelling of 144847020 in words is "one hundred forty-four million, eight hundred forty-seven thousand, twenty".