145880925 has 24 divisors (see below), whose sum is σ = 242689824. Its totient is φ = 77319360.

The previous prime is 145880923. The next prime is 145880929. The reversal of 145880925 is 529088541.

It is a happy number.

It is not a de Polignac number, because 145880925 - 2¹ = 145880923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145880921) 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 23 ways as a sum of consecutive naturals, for example, 6259 + ... + 18191.

It is an arithmetic number, because the mean of its divisors is an integer number (10112076).

Almost surely, 2^145880925 is an apocalyptic number.

145880925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145880925 is a deficient number, since it is larger than the sum of its proper divisors (96808899).

145880925 is a wasteful number, since it uses less digits than its factorization.

145880925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109 (or 12104 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 145880925 is about 12078.1176099589. The cubic root of 145880925 is about 526.4205518783.

The spelling of 145880925 in words is "one hundred forty-five million, eight hundred eighty thousand, nine hundred twenty-five".