145125210 has 32 divisors (see below), whose sum is σ = 348842880. Its totient is φ = 38639808.

The previous prime is 145125203. The next prime is 145125217. The reversal of 145125210 is 12521541.

It is an interprime number because it is at equal distance from previous prime (145125203) and next prime (145125217).

It is a super-2 number, since 2×145125210² = 42122653155088200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145125217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17859 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (10901340).

Almost surely, 2^145125210 is an apocalyptic number.

145125210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145125210 is an abundant number, since it is smaller than the sum of its proper divisors (203717670).

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

145125210 is a wasteful number, since it uses less digits than its factorization.

145125210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

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

The square root of 145125210 is about 12046.7925191729. The cubic root of 145125210 is about 525.5099625337.

Adding to 145125210 its reverse (12521541), we get a palindrome (157646751).

The spelling of 145125210 in words is "one hundred forty-five million, one hundred twenty-five thousand, two hundred ten".