145541100 has 36 divisors (see below), whose sum is σ = 421099784. Its totient is φ = 38810880.

The previous prime is 145541087. The next prime is 145541161. The reversal of 145541100 is 1145541.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242269 + ... + 242868.

Almost surely, 2^145541100 is an apocalyptic number.

145541100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145541100 is an abundant number, since it is smaller than the sum of its proper divisors (275558684).

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

145541100 is a wasteful number, since it uses less digits than its factorization.

145541100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485154 (or 485147 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145541100 is about 12064.0416113341. The cubic root of 145541100 is about 526.0114740614.

Adding to 145541100 its reverse (1145541), we get a palindrome (146686641).

The spelling of 145541100 in words is "one hundred forty-five million, five hundred forty-one thousand, one hundred".