144155414 has 32 divisors (see below), whose sum is σ = 237081600. Its totient is φ = 65342592.

The previous prime is 144155357. The next prime is 144155447. The reversal of 144155414 is 414551441.

It is a super-2 number, since 2×144155414² = 41561566771022792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491852 + ... + 492144.

It is an arithmetic number, because the mean of its divisors is an integer number (7408800).

Almost surely, 2^144155414 is an apocalyptic number.

144155414 is a deficient number, since it is larger than the sum of its proper divisors (92926186).

144155414 is a wasteful number, since it uses less digits than its factorization.

144155414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 6400, while the sum is 29.

The square root of 144155414 is about 12006.4738370597. The cubic root of 144155414 is about 524.3367758153.

The spelling of 144155414 in words is "one hundred forty-four million, one hundred fifty-five thousand, four hundred fourteen".