144706454 has 4 divisors (see below), whose sum is σ = 217059684. Its totient is φ = 72353226.

The previous prime is 144706453. The next prime is 144706487. The reversal of 144706454 is 454607441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144706453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36176612 + ... + 36176615.

It is an arithmetic number, because the mean of its divisors is an integer number (54264921).

Almost surely, 2^144706454 is an apocalyptic number.

144706454 is a deficient number, since it is larger than the sum of its proper divisors (72353230).

144706454 is an equidigital number, since it uses as much as digits as its factorization.

144706454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72353229.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 144706454 is about 12029.3995693883. The cubic root of 144706454 is about 525.0040259706.

The spelling of 144706454 in words is "one hundred forty-four million, seven hundred six thousand, four hundred fifty-four".