144849181974 has 32 divisors (see below), whose sum is σ = 331126949376. Its totient is φ = 41380092480.

The previous prime is 144849181951. The next prime is 144849181987. The reversal of 144849181974 is 479181948441.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107719 + ... + 548909.

It is an arithmetic number, because the mean of its divisors is an integer number (10347717168).

Almost surely, 2^144849181974 is an apocalyptic number.

144849181974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144849181974 is an abundant number, since it is smaller than the sum of its proper divisors (186277767402).

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

144849181974 is a wasteful number, since it uses less digits than its factorization.

144849181974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449020.

The product of its digits is 9289728, while the sum is 60.

The spelling of 144849181974 in words is "one hundred forty-four billion, eight hundred forty-nine million, one hundred eighty-one thousand, nine hundred seventy-four".