145046003840 has 64 divisors (see below), whose sum is σ = 354814637760. Its totient is φ = 56669125632.

The previous prime is 145046003783. The next prime is 145046003897. The reversal of 145046003840 is 48300640541.

It is an interprime number because it is at equal distance from previous prime (145046003783) and next prime (145046003897).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 145046003840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607764 + ... + 2662803.

It is an arithmetic number, because the mean of its divisors is an integer number (5543978715).

Almost surely, 2^145046003840 is an apocalyptic number.

145046003840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145046003840 is an abundant number, since it is smaller than the sum of its proper divisors (209768633920).

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

145046003840 is an equidigital number, since it uses as much as digits as its factorization.

145046003840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270629 (or 5270617 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 145046003840 in words is "one hundred forty-five billion, forty-six million, three thousand, eight hundred forty".