145208773780 has 24 divisors (see below), whose sum is σ = 348501057408. Its totient is φ = 49785865248.

The previous prime is 145208773771. The next prime is 145208773789. The reversal of 145208773780 is 87377802541.

It is an interprime number because it is at equal distance from previous prime (145208773771) and next prime (145208773789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145208773789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518602624 + ... + 518602903.

It is an arithmetic number, because the mean of its divisors is an integer number (14520877392).

Almost surely, 2^145208773780 is an apocalyptic number.

145208773780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145208773780 is an abundant number, since it is smaller than the sum of its proper divisors (203292283628).

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

145208773780 is a wasteful number, since it uses less digits than its factorization.

145208773780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037205543 (or 1037205541 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 145208773780 in words is "one hundred forty-five billion, two hundred eight million, seven hundred seventy-three thousand, seven hundred eighty".