144212042 has 16 divisors (see below), whose sum is σ = 235268712. Its totient is φ = 65899200.

The previous prime is 144212021. The next prime is 144212053. The reversal of 144212042 is 240212441.

It can be written as a sum of positive squares in 4 ways, for example, as 125193721 + 19018321 = 11189^2 + 4361^2 .

It is a super-2 number, since 2×144212042² = 41594226115619528, which contains 22 as substring.

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, 24833 + ... + 30084.

Almost surely, 2^144212042 is an apocalyptic number.

144212042 is a deficient number, since it is larger than the sum of its proper divisors (91056670).

144212042 is a wasteful number, since it uses less digits than its factorization.

144212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55033.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144212042 is about 12008.8318332800. The cubic root of 144212042 is about 524.4054245397.

Adding to 144212042 its reverse (240212441), we get a palindrome (384424483).

The spelling of 144212042 in words is "one hundred forty-four million, two hundred twelve thousand, forty-two".