145200140 has 12 divisors (see below), whose sum is σ = 304920336. Its totient is φ = 58080048.

The previous prime is 145200113. The next prime is 145200149. The reversal of 145200140 is 41002541.

145200140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145200149) 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 3 ways as a sum of consecutive naturals, for example, 3629984 + ... + 3630023.

It is an arithmetic number, because the mean of its divisors is an integer number (25410028).

Almost surely, 2^145200140 is an apocalyptic number.

145200140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145200140 is an abundant number, since it is smaller than the sum of its proper divisors (159720196).

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

145200140 is a wasteful number, since it uses less digits than its factorization.

145200140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260016 (or 7260014 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 145200140 is about 12049.9020742909. The cubic root of 145200140 is about 525.6003894751.

Adding to 145200140 its reverse (41002541), we get a palindrome (186202681).

The spelling of 145200140 in words is "one hundred forty-five million, two hundred thousand, one hundred forty".