144311542 has 16 divisors (see below), whose sum is σ = 220974480. Its totient is φ = 70668928.

The previous prime is 144311537. The next prime is 144311567. The reversal of 144311542 is 245113441.

It is a congruent number.

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, 15258 + ... + 22834.

It is an arithmetic number, because the mean of its divisors is an integer number (13810905).

Almost surely, 2^144311542 is an apocalyptic number.

144311542 is a deficient number, since it is larger than the sum of its proper divisors (76662938).

144311542 is a wasteful number, since it uses less digits than its factorization.

144311542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 1920, while the sum is 25.

The square root of 144311542 is about 12012.9739032431. The cubic root of 144311542 is about 524.5260024132.

Adding to 144311542 its reverse (245113441), we get a palindrome (389424983).

It can be divided in two parts, 1443 and 11542, that multiplied together give a triangular number (16655106 = T₅₇₇₁).

The spelling of 144311542 in words is "one hundred forty-four million, three hundred eleven thousand, five hundred forty-two".