144855147 has 16 divisors (see below), whose sum is σ = 204770592. Its totient is φ = 90769920.

The previous prime is 144855119. The next prime is 144855163. The reversal of 144855147 is 741558441.

It is not a de Polignac number, because 144855147 - 2¹¹ = 144853099 is a prime.

It is a super-2 number, since 2×144855147² = 41966027224783218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144855647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52773 + ... + 55449.

It is an arithmetic number, because the mean of its divisors is an integer number (12798162).

Almost surely, 2^144855147 is an apocalyptic number.

144855147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

144855147 is a deficient number, since it is larger than the sum of its proper divisors (59915445).

144855147 is a wasteful number, since it uses less digits than its factorization.

144855147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758.

The product of its digits is 89600, while the sum is 39.

The square root of 144855147 is about 12035.5783824459. The cubic root of 144855147 is about 525.1837869013.

The spelling of 144855147 in words is "one hundred forty-four million, eight hundred fifty-five thousand, one hundred forty-seven".