144976897 has 8 divisors (see below), whose sum is σ = 164346560. Its totient is φ = 126781200.

The previous prime is 144976891. The next prime is 144976907. The reversal of 144976897 is 798679441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144976897 - 2²⁷ = 10759169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144976891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293229 + ... + 293722.

It is an arithmetic number, because the mean of its divisors is an integer number (20543320).

Almost surely, 2^144976897 is an apocalyptic number.

It is an amenable number.

144976897 is a deficient number, since it is larger than the sum of its proper divisors (19369663).

144976897 is a wasteful number, since it uses less digits than its factorization.

144976897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586983.

The product of its digits is 3048192, while the sum is 55.

The square root of 144976897 is about 12040.6352407172. The cubic root of 144976897 is about 525.3308837809.

The spelling of 144976897 in words is "one hundred forty-four million, nine hundred seventy-six thousand, eight hundred ninety-seven".