144736741 has 4 divisors (see below), whose sum is σ = 145024992. Its totient is φ = 144448492.

The previous prime is 144736703. The next prime is 144736751. The reversal of 144736741 is 147637441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144736741 - 2¹¹ = 144734693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144736741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144736751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143371 + ... + 144376.

It is an arithmetic number, because the mean of its divisors is an integer number (36256248).

Almost surely, 2^144736741 is an apocalyptic number.

It is an amenable number.

144736741 is a deficient number, since it is larger than the sum of its proper divisors (288251).

144736741 is an equidigital number, since it uses as much as digits as its factorization.

144736741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288250.

The product of its digits is 56448, while the sum is 37.

The square root of 144736741 is about 12030.6583776616. The cubic root of 144736741 is about 525.0406511229.

The spelling of 144736741 in words is "one hundred forty-four million, seven hundred thirty-six thousand, seven hundred forty-one".