145201340 has 12 divisors (see below), whose sum is σ = 304922856. Its totient is φ = 58080528.

The previous prime is 145201313. The next prime is 145201349. The reversal of 145201340 is 43102541.

145201340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7260067 = 145201340 / (1 + 4 + 5 + 2 + 0 + 1 + 3 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630014 + ... + 3630053.

It is an arithmetic number, because the mean of its divisors is an integer number (25410238).

Almost surely, 2^145201340 is an apocalyptic number.

145201340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145201340 is an abundant number, since it is smaller than the sum of its proper divisors (159721516).

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

145201340 is a wasteful number, since it uses less digits than its factorization.

145201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260076 (or 7260074 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145201340 is about 12049.9518671238. The cubic root of 145201340 is about 525.6018374047.

Adding to 145201340 its reverse (43102541), we get a palindrome (188303881).

It can be divided in two parts, 145201 and 340, that added together give a palindrome (145541).

The spelling of 145201340 in words is "one hundred forty-five million, two hundred one thousand, three hundred forty".