145449991409463 has 32 divisors (see below), whose sum is σ = 232485907442880. Its totient is φ = 89342238314880.

The previous prime is 145449991409453. The next prime is 145449991409479. The reversal of 145449991409463 is 364904199944541.

145449991409463 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 4 + 99 + 91 + 409 + 46 + 3 = 666.

It is not a de Polignac number, because 145449991409463 - 2⁹ = 145449991408951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145449991409391 and 145449991409400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145449991409453) 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, 382792956 + ... + 383172737.

It is an arithmetic number, because the mean of its divisors is an integer number (7265184607590).

Almost surely, 2^{145449991409463} is an apocalyptic number.

145449991409463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145449991409463 is a deficient number, since it is larger than the sum of its proper divisors (87035916033417).

145449991409463 is a wasteful number, since it uses less digits than its factorization.

145449991409463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765966256 (or 765966250 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 72.

The spelling of 145449991409463 in words is "one hundred forty-five trillion, four hundred forty-nine billion, nine hundred ninety-one million, four hundred nine thousand, four hundred sixty-three".