144635418923970 has 64 divisors (see below), whose sum is σ = 373828157063424. Its totient is φ = 35602447691520.

The previous prime is 144635418923959. The next prime is 144635418923971. The reversal of 144635418923970 is 79329814536441.

It is not an unprimeable number, because it can be changed into a prime (144635418923971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230903019 + ... + 231528561.

It is an arithmetic number, because the mean of its divisors is an integer number (5841064954116).

It is a 1-persistent number, because it is pandigital, but 2⋅144635418923970 = 289270837847940 is not.

Almost surely, 2^{144635418923970} is an apocalyptic number.

144635418923970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144635418923970 is an abundant number, since it is smaller than the sum of its proper divisors (229192738139454).

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

144635418923970 is a wasteful number, since it uses less digits than its factorization.

144635418923970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218427.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 144635418923970 in words is "one hundred forty-four trillion, six hundred thirty-five billion, four hundred eighteen million, nine hundred twenty-three thousand, nine hundred seventy".