144246377 has 32 divisors (see below), whose sum is σ = 175374720. Its totient is φ = 117089280.

The previous prime is 144246373. The next prime is 144246383. The reversal of 144246377 is 773642441.

It is not a de Polignac number, because 144246377 - 2² = 144246373 is a prime.

It is a super-2 number, since 2×144246377² = 41614034555252258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144246377.

It is not an unprimeable number, because it can be changed into a prime (144246371) 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 31 ways as a sum of consecutive naturals, for example, 363143 + ... + 363539.

It is an arithmetic number, because the mean of its divisors is an integer number (5480460).

Almost surely, 2^144246377 is an apocalyptic number.

144246377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144246377 is a deficient number, since it is larger than the sum of its proper divisors (31128343).

144246377 is a wasteful number, since it uses less digits than its factorization.

144246377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 112896, while the sum is 38.

The square root of 144246377 is about 12010.2613210538. The cubic root of 144246377 is about 524.4470392602.

The spelling of 144246377 in words is "one hundred forty-four million, two hundred forty-six thousand, three hundred seventy-seven".