144677898 has 12 divisors (see below), whose sum is σ = 313468818. Its totient is φ = 48225960.

The previous prime is 144677887. The next prime is 144677903. The reversal of 144677898 is 898776441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92794689 + 51883209 = 9633^2 + 7203^2 .

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 5 ways as a sum of consecutive naturals, for example, 4018813 + ... + 4018848.

Almost surely, 2^144677898 is an apocalyptic number.

144677898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144677898 is an abundant number, since it is smaller than the sum of its proper divisors (168790920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144677898 is a wasteful number, since it uses less digits than its factorization.

144677898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037669 (or 8037666 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 144677898 is about 12028.2125854177. The cubic root of 144677898 is about 524.9694893834.

The spelling of 144677898 in words is "one hundred forty-four million, six hundred seventy-seven thousand, eight hundred ninety-eight".