144951247 has 16 divisors (see below), whose sum is σ = 174918400. Its totient is φ = 117665784.

The previous prime is 144951241. The next prime is 144951263. The reversal of 144951247 is 742159441.

It is not a de Polignac number, because 144951247 - 2¹¹ = 144949199 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 (144951241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46504 + ... + 49522.

It is an arithmetic number, because the mean of its divisors is an integer number (10932400).

Almost surely, 2^144951247 is an apocalyptic number.

144951247 is a deficient number, since it is larger than the sum of its proper divisors (29967153).

144951247 is an frugal number, since it uses more digits than its factorization.

144951247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3045 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 144951247 is about 12039.5700504628. The cubic root of 144951247 is about 525.2999006100.

The spelling of 144951247 in words is "one hundred forty-four million, nine hundred fifty-one thousand, two hundred forty-seven".