144504957 has 4 divisors (see below), whose sum is σ = 192673280. Its totient is φ = 96336636.

The previous prime is 144504949. The next prime is 144504959. The reversal of 144504957 is 759405441.

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: 759405441 = 3 ⋅253135147.

It is not a de Polignac number, because 144504957 - 2³ = 144504949 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 (144504959) 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, 24084157 + ... + 24084162.

It is an arithmetic number, because the mean of its divisors is an integer number (48168320).

Almost surely, 2^144504957 is an apocalyptic number.

It is an amenable number.

144504957 is a deficient number, since it is larger than the sum of its proper divisors (48168323).

144504957 is an equidigital number, since it uses as much as digits as its factorization.

144504957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48168322.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 144504957 is about 12021.0214624216. The cubic root of 144504957 is about 524.7602315571.

The spelling of 144504957 in words is "one hundred forty-four million, five hundred four thousand, nine hundred fifty-seven".