144234040 has 32 divisors (see below), whose sum is σ = 332077680. Its totient is φ = 56351232.

The previous prime is 144234037. The next prime is 144234043. The reversal of 144234040 is 40432441.

It is an interprime number because it is at equal distance from previous prime (144234037) and next prime (144234043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144234043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40209 + ... + 43648.

Almost surely, 2^144234040 is an apocalyptic number.

144234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144234040 is an abundant number, since it is smaller than the sum of its proper divisors (187843640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144234040 is a wasteful number, since it uses less digits than its factorization.

144234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83911 (or 83907 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144234040 is about 12009.7477075915. The cubic root of 144234040 is about 524.4320873247.

Adding to 144234040 its reverse (40432441), we get a palindrome (184666481).

The spelling of 144234040 in words is "one hundred forty-four million, two hundred thirty-four thousand, forty".