144706739 has 8 divisors (see below), whose sum is σ = 148618800. Its totient is φ = 140819616.

The previous prime is 144706711. The next prime is 144706769. The reversal of 144706739 is 937607441.

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

It is a cyclic number.

It is not a de Polignac number, because 144706739 - 2¹² = 144702643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144706696 and 144706705.

It is not an unprimeable number, because it can be changed into a prime (144706769) 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, 5837 + ... + 17985.

It is an arithmetic number, because the mean of its divisors is an integer number (18577350).

Almost surely, 2^144706739 is an apocalyptic number.

144706739 is a deficient number, since it is larger than the sum of its proper divisors (3912061).

144706739 is a wasteful number, since it uses less digits than its factorization.

144706739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 144706739 is about 12029.4114153603. The cubic root of 144706739 is about 525.0043706363.

The spelling of 144706739 in words is "one hundred forty-four million, seven hundred six thousand, seven hundred thirty-nine".