145909143380 has 144 divisors (see below), whose sum is σ = 418749440256. Its totient is φ = 41979813120.

The previous prime is 145909143323. The next prime is 145909143383. The reversal of 145909143380 is 83341909541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145909143383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 380444 + ... + 660723.

It is an arithmetic number, because the mean of its divisors is an integer number (2907982224).

Almost surely, 2^145909143380 is an apocalyptic number.

145909143380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145909143380 is an abundant number, since it is smaller than the sum of its proper divisors (272840296876).

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

145909143380 is a wasteful number, since it uses less digits than its factorization.

145909143380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041214 (or 1041205 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 145909143380 in words is "one hundred forty-five billion, nine hundred nine million, one hundred forty-three thousand, three hundred eighty".