144491542 has 16 divisors (see below), whose sum is σ = 245694960. Its totient is φ = 63178272.

The previous prime is 144491521. The next prime is 144491563. The reversal of 144491542 is 245194441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144491521) and next prime (144491563).

It is a junction number, because it is equal to n+sod(n) for n = 144491498 and 144491507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145753 + ... + 146740.

It is an arithmetic number, because the mean of its divisors is an integer number (15355935).

Almost surely, 2^144491542 is an apocalyptic number.

144491542 is a deficient number, since it is larger than the sum of its proper divisors (101203418).

144491542 is a wasteful number, since it uses less digits than its factorization.

144491542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292527.

The product of its digits is 23040, while the sum is 34.

The square root of 144491542 is about 12020.4634686022. The cubic root of 144491542 is about 524.7439924916.

The spelling of 144491542 in words is "one hundred forty-four million, four hundred ninety-one thousand, five hundred forty-two".