144466540 has 24 divisors (see below), whose sum is σ = 307655712. Its totient is φ = 56972160.

The previous prime is 144466501. The next prime is 144466547. The reversal of 144466540 is 45664441.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144466496 and 144466505.

It is not an unprimeable number, because it can be changed into a prime (144466547) 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, 49449 + ... + 52288.

It is an arithmetic number, because the mean of its divisors is an integer number (12818988).

Almost surely, 2^144466540 is an apocalyptic number.

144466540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144466540 is an abundant number, since it is smaller than the sum of its proper divisors (163189172).

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

144466540 is a wasteful number, since it uses less digits than its factorization.

144466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101817 (or 101815 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 144466540 is about 12019.4234470710. The cubic root of 144466540 is about 524.7137245006.

The spelling of 144466540 in words is "one hundred forty-four million, four hundred sixty-six thousand, five hundred forty".