144556142 has 32 divisors (see below), whose sum is σ = 233798400. Its totient is φ = 66830400.

The previous prime is 144556141. The next prime is 144556147. The reversal of 144556142 is 241655441.

It is a junction number, because it is equal to n+sod(n) for n = 144556099 and 144556108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144556141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353234 + ... + 353642.

It is an arithmetic number, because the mean of its divisors is an integer number (7306200).

Almost surely, 2^144556142 is an apocalyptic number.

144556142 is a deficient number, since it is larger than the sum of its proper divisors (89242258).

144556142 is a wasteful number, since it uses less digits than its factorization.

144556142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 19200, while the sum is 32.

The square root of 144556142 is about 12023.1502527416. The cubic root of 144556142 is about 524.8221825616.

The spelling of 144556142 in words is "one hundred forty-four million, five hundred fifty-six thousand, one hundred forty-two".