145808130 has 48 divisors (see below), whose sum is σ = 378941760. Its totient is φ = 35889984.

The previous prime is 145808129. The next prime is 145808137. The reversal of 145808130 is 31808541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145808137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9310 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (7894620).

Almost surely, 2^145808130 is an apocalyptic number.

145808130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145808130 is an abundant number, since it is smaller than the sum of its proper divisors (233133630).

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

145808130 is a wasteful number, since it uses less digits than its factorization.

145808130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28795 (or 28782 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 145808130 is about 12075.1037262626. The cubic root of 145808130 is about 526.3329755213.

The spelling of 145808130 in words is "one hundred forty-five million, eight hundred eight thousand, one hundred thirty".