145780336890 has 48 divisors (see below), whose sum is σ = 398977768800. Its totient is φ = 36828716256.

The previous prime is 145780336873. The next prime is 145780336907. The reversal of 145780336890 is 98633087541.

145780336890 is a `hidden beast` number, since 1 + 4 + 578 + 0 + 3 + 3 + 68 + 9 + 0 = 666.

145780336890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145780336873) and next prime (145780336907).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42624120 + ... + 42627539.

It is an arithmetic number, because the mean of its divisors is an integer number (8312036850).

Almost surely, 2^145780336890 is an apocalyptic number.

145780336890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145780336890 is an abundant number, since it is smaller than the sum of its proper divisors (253197431910).

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

145780336890 is a wasteful number, since it uses less digits than its factorization.

145780336890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85251691 (or 85251688 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 145780336890 in words is "one hundred forty-five billion, seven hundred eighty million, three hundred thirty-six thousand, eight hundred ninety".