144581842 has 16 divisors (see below), whose sum is σ = 218702592. Its totient is φ = 71683920.

The previous prime is 144581831. The next prime is 144581863. The reversal of 144581842 is 248185441.

It is a super-2 number, since 2×144581842² = 41807818072225928, 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, 167103 + ... + 167965.

It is an arithmetic number, because the mean of its divisors is an integer number (13668912).

Almost surely, 2^144581842 is an apocalyptic number.

144581842 is a deficient number, since it is larger than the sum of its proper divisors (74120750).

144581842 is a wasteful number, since it uses less digits than its factorization.

144581842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 40960, while the sum is 37.

The square root of 144581842 is about 12024.2189767153. The cubic root of 144581842 is about 524.8532826603.

The spelling of 144581842 in words is "one hundred forty-four million, five hundred eighty-one thousand, eight hundred forty-two".