144673801 has 4 divisors (see below), whose sum is σ = 148038352. Its totient is φ = 141309252.

The previous prime is 144673799. The next prime is 144673853. The reversal of 144673801 is 108376441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 108376441 = 37 ⋅2929093.

It is a cyclic number.

It is not a de Polignac number, because 144673801 - 2¹ = 144673799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144673891) 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, 1682211 + ... + 1682296.

It is an arithmetic number, because the mean of its divisors is an integer number (37009588).

Almost surely, 2^144673801 is an apocalyptic number.

It is an amenable number.

144673801 is a deficient number, since it is larger than the sum of its proper divisors (3364551).

144673801 is an equidigital number, since it uses as much as digits as its factorization.

144673801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364550.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 144673801 is about 12028.0422762809. The cubic root of 144673801 is about 524.9645339609.

The spelling of 144673801 in words is "one hundred forty-four million, six hundred seventy-three thousand, eight hundred one".