145234303240 has 64 divisors (see below), whose sum is σ = 357878606400. Its totient is φ = 52716064512.

The previous prime is 145234303187. The next prime is 145234303241. The reversal of 145234303240 is 42303432541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145234303241) 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, 2336242 + ... + 2397601.

It is an arithmetic number, because the mean of its divisors is an integer number (5591853225).

Almost surely, 2^145234303240 is an apocalyptic number.

145234303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145234303240 is an abundant number, since it is smaller than the sum of its proper divisors (212644303160).

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

145234303240 is a wasteful number, since it uses less digits than its factorization.

145234303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733926 (or 4733922 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 145234303240 its reverse (42303432541), we get a palindrome (187537735781).

The spelling of 145234303240 in words is "one hundred forty-five billion, two hundred thirty-four million, three hundred three thousand, two hundred forty".