144420754 has 32 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 65997120.

The previous prime is 144420743. The next prime is 144420799. The reversal of 144420754 is 457024441.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83652 + ... + 85360.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2^144420754 is an apocalyptic number.

144420754 is a deficient number, since it is larger than the sum of its proper divisors (91969646).

144420754 is a wasteful number, since it uses less digits than its factorization.

144420754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 144420754 is about 12017.5186290681. The cubic root of 144420754 is about 524.6582858708.

The spelling of 144420754 in words is "one hundred forty-four million, four hundred twenty thousand, seven hundred fifty-four".