145775418398860 has 24 divisors (see below), whose sum is σ = 306193470984576. Its totient is φ = 58297768817280.

The previous prime is 145775418398839. The next prime is 145775418398867. The reversal of 145775418398860 is 68893814577541.

It is not an unprimeable number, because it can be changed into a prime (145775418398867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774812481 + ... + 775000600.

It is an arithmetic number, because the mean of its divisors is an integer number (12758061291024).

Almost surely, 2^{145775418398860} is an apocalyptic number.

145775418398860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145775418398860 is an abundant number, since it is smaller than the sum of its proper divisors (160418052585716).

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

145775418398860 is a wasteful number, since it uses less digits than its factorization.

145775418398860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549817793 (or 1549817791 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 76.

The spelling of 145775418398860 in words is "one hundred forty-five trillion, seven hundred seventy-five billion, four hundred eighteen million, three hundred ninety-eight thousand, eight hundred sixty".