144061020 has 72 divisors (see below), whose sum is σ = 438014304. Its totient is φ = 38325888.

The previous prime is 144061019. The next prime is 144061033. The reversal of 144061020 is 20160441.

144061020 is a `hidden beast` number, since 14 + 40 + 610 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144060984 and 144061002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115842 + ... + 117078.

It is an arithmetic number, because the mean of its divisors is an integer number (6083532).

Almost surely, 2^144061020 is an apocalyptic number.

144061020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144061020 is an abundant number, since it is smaller than the sum of its proper divisors (293953284).

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

144061020 is a wasteful number, since it uses less digits than its factorization.

144061020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144061020 is about 12002.5422307110. The cubic root of 144061020 is about 524.2223043310. Note that the first 3 decimals are identical.

The spelling of 144061020 in words is "one hundred forty-four million, sixty-one thousand, twenty".