145034240 has 88 divisors (see below), whose sum is σ = 374846640. Its totient is φ = 53526528.

The previous prime is 145034237. The next prime is 145034273. The reversal of 145034240 is 42430541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65471 + ... + 67649.

Almost surely, 2^145034240 is an apocalyptic number.

145034240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187423320).

145034240 is an abundant number, since it is smaller than the sum of its proper divisors (229812400).

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

145034240 is a wasteful number, since it uses less digits than its factorization.

145034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145034240 is about 12043.0162334857. The cubic root of 145034240 is about 525.4001363738.

Adding to 145034240 its reverse (42430541), we get a palindrome (187464781).

The spelling of 145034240 in words is "one hundred forty-five million, thirty-four thousand, two hundred forty".