145251230 has 16 divisors (see below), whose sum is σ = 276832080. Its totient is φ = 54682752.

The previous prime is 145251229. The next prime is 145251251. The reversal of 145251230 is 32152541.

145251230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145251196 and 145251205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427040 + ... + 427379.

It is an arithmetic number, because the mean of its divisors is an integer number (17302005).

Almost surely, 2^145251230 is an apocalyptic number.

145251230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145251230 is a deficient number, since it is larger than the sum of its proper divisors (131580850).

145251230 is a wasteful number, since it uses less digits than its factorization.

145251230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854443.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145251230 is about 12052.0218220845. The cubic root of 145251230 is about 525.6620280177.

The spelling of 145251230 in words is "one hundred forty-five million, two hundred fifty-one thousand, two hundred thirty".