145771585900 has 36 divisors (see below), whose sum is σ = 316803039280. Its totient is φ = 58220395200.

The previous prime is 145771585877. The next prime is 145771585903. The reversal of 145771585900 is 9585177541.

It is not an unprimeable number, because it can be changed into a prime (145771585903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036560 + ... + 1168759.

Almost surely, 2^145771585900 is an apocalyptic number.

145771585900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145771585900 is an abundant number, since it is smaller than the sum of its proper divisors (171031453380).

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

145771585900 is a wasteful number, since it uses less digits than its factorization.

145771585900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205994 (or 2205987 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 145771585900 in words is "one hundred forty-five billion, seven hundred seventy-one million, five hundred eighty-five thousand, nine hundred".