144161701 has 4 divisors (see below), whose sum is σ = 145262304. Its totient is φ = 143061100.

The previous prime is 144161681. The next prime is 144161747. The reversal of 144161701 is 107161441.

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 144161701 - 2¹⁹ = 143637413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144161791) 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, 550105 + ... + 550366.

It is an arithmetic number, because the mean of its divisors is an integer number (36315576).

Almost surely, 2^144161701 is an apocalyptic number.

It is an amenable number.

144161701 is a deficient number, since it is larger than the sum of its proper divisors (1100603).

144161701 is a wasteful number, since it uses less digits than its factorization.

144161701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100602.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 144161701 is about 12006.7356512917. The cubic root of 144161701 is about 524.3443982771.

The spelling of 144161701 in words is "one hundred forty-four million, one hundred sixty-one thousand, seven hundred one".