145280818179744 has 96 divisors (see below), whose sum is σ = 410717178615744. Its totient is φ = 44699669821440.

The previous prime is 145280818179727. The next prime is 145280818179781. The reversal of 145280818179744 is 447971818082541.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×145280818179744² (a number of 29 digits) contains 22 as substring.

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, 23661084 + ... + 29161764.

It is an arithmetic number, because the mean of its divisors is an integer number (4278303943914).

Almost surely, 2^{145280818179744} is an apocalyptic number.

It is an amenable number.

145280818179744 is an abundant number, since it is smaller than the sum of its proper divisors (265436360436000).

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

145280818179744 is a wasteful number, since it uses less digits than its factorization.

145280818179744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521870 (or 5521862 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 69.

The spelling of 145280818179744 in words is "one hundred forty-five trillion, two hundred eighty billion, eight hundred eighteen million, one hundred seventy-nine thousand, seven hundred forty-four".