187145363280 has 160 divisors (see below), whose sum is σ = 596761804800. Its totient is φ = 48491813376.

The previous prime is 187145363263. The next prime is 187145363291. The reversal of 187145363280 is 82363541781.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1508241 + ... + 1627599.

It is an arithmetic number, because the mean of its divisors is an integer number (3729761280).

Almost surely, 2^187145363280 is an apocalyptic number.

187145363280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187145363280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298380902400).

187145363280 is an abundant number, since it is smaller than the sum of its proper divisors (409616441520).

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

187145363280 is a wasteful number, since it uses less digits than its factorization.

187145363280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119561 (or 119555 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 187145363280 in words is "one hundred eighty-seven billion, one hundred forty-five million, three hundred sixty-three thousand, two hundred eighty".