145056340 has 96 divisors (see below), whose sum is σ = 363694464. Its totient is φ = 47900160.

The previous prime is 145056323. The next prime is 145056341. The reversal of 145056340 is 43650541.

145056340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145056299 and 145056308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145056341) 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 31 ways as a sum of consecutive naturals, for example, 191242 + ... + 191998.

It is an arithmetic number, because the mean of its divisors is an integer number (3788484).

Almost surely, 2^145056340 is an apocalyptic number.

145056340 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 145056340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181847232).

145056340 is an abundant number, since it is smaller than the sum of its proper divisors (218638124).

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

145056340 is a wasteful number, since it uses less digits than its factorization.

145056340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 145056340 is about 12043.9337427603. The cubic root of 145056340 is about 525.4268214593.

The spelling of 145056340 in words is "one hundred forty-five million, fifty-six thousand, three hundred forty".