144143734 has 8 divisors (see below), whose sum is σ = 247103568. Its totient is φ = 61775880.

The previous prime is 144143719. The next prime is 144143761. The reversal of 144143734 is 437341441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144143696 and 144143705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147977 + ... + 5148004.

It is an arithmetic number, because the mean of its divisors is an integer number (30887946).

Almost surely, 2^144143734 is an apocalyptic number.

144143734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144143734 is a deficient number, since it is larger than the sum of its proper divisors (102959834).

144143734 is a wasteful number, since it uses less digits than its factorization.

144143734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295990.

The product of its digits is 16128, while the sum is 31.

The square root of 144143734 is about 12005.9874229486. The cubic root of 144143734 is about 524.3226142037.

The spelling of 144143734 in words is "one hundred forty-four million, one hundred forty-three thousand, seven hundred thirty-four".