145087089858 has 24 divisors (see below), whose sum is σ = 315245900268. Its totient is φ = 48225357312.

The previous prime is 145087089821. The next prime is 145087089859. The reversal of 145087089858 is 858980780541.

145087089858 is a `hidden beast` number, since 1 + 4 + 508 + 70 + 8 + 9 + 8 + 58 = 666.

145087089858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129105831969 + 15981257889 = 359313^2 + 126417^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145087089795 and 145087089804.

It is not an unprimeable number, because it can be changed into a prime (145087089859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11410635 + ... + 11423342.

Almost surely, 2^145087089858 is an apocalyptic number.

145087089858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145087089858 is an abundant number, since it is smaller than the sum of its proper divisors (170158810410).

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

145087089858 is a wasteful number, since it uses less digits than its factorization.

145087089858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22834338 (or 22834335 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 63.

The spelling of 145087089858 in words is "one hundred forty-five billion, eighty-seven million, eighty-nine thousand, eight hundred fifty-eight".