145303140 has 48 divisors (see below), whose sum is σ = 407373120. Its totient is φ = 38697600.

The previous prime is 145303117. The next prime is 145303141. The reversal of 145303140 is 41303541.

It is a super-2 number, since 2×145303140² = 42226004987719200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145303141) 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 15 ways as a sum of consecutive naturals, for example, 86226 + ... + 87894.

It is an arithmetic number, because the mean of its divisors is an integer number (8486940).

Almost surely, 2^145303140 is an apocalyptic number.

145303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145303140 is an abundant number, since it is smaller than the sum of its proper divisors (262069980).

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

145303140 is a wasteful number, since it uses less digits than its factorization.

145303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145303140 is about 12054.1752102747. The cubic root of 145303140 is about 525.7246410638.

Adding to 145303140 its reverse (41303541), we get a palindrome (186606681).

The spelling of 145303140 in words is "one hundred forty-five million, three hundred three thousand, one hundred forty".