144466923690 has 48 divisors (see below), whose sum is σ = 375762999456. Its totient is φ = 38509231200.

The previous prime is 144466923649. The next prime is 144466923697. The reversal of 144466923690 is 96329664441.

144466923690 is a `hidden beast` number, since 1 + 4 + 4 + 466 + 92 + 3 + 6 + 90 = 666.

It is a super-2 number, since 2×144466923690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144466923697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89316 + ... + 544895.

It is an arithmetic number, because the mean of its divisors is an integer number (7828395822).

Almost surely, 2^144466923690 is an apocalyptic number.

144466923690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144466923690 is an abundant number, since it is smaller than the sum of its proper divisors (231296075766).

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

144466923690 is a wasteful number, since it uses less digits than its factorization.

144466923690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636755 (or 636752 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 144466923690 in words is "one hundred forty-four billion, four hundred sixty-six million, nine hundred twenty-three thousand, six hundred ninety".