145010440 has 64 divisors (see below), whose sum is σ = 345870000. Its totient is φ = 54620160.

The previous prime is 145010431. The next prime is 145010443. The reversal of 145010440 is 44010541.

145010440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6853924 + 138156516 = 2618^2 + 11754^2 .

It is not an unprimeable number, because it can be changed into a prime (145010443) 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, 46036 + ... + 49084.

Almost surely, 2^145010440 is an apocalyptic number.

145010440 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 145010440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172935000).

145010440 is an abundant number, since it is smaller than the sum of its proper divisors (200859560).

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

145010440 is a wasteful number, since it uses less digits than its factorization.

145010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 145010440 is about 12042.0280683945. The cubic root of 145010440 is about 525.3713955576.

Adding to 145010440 its reverse (44010541), we get a palindrome (189020981).

The spelling of 145010440 in words is "one hundred forty-five million, ten thousand, four hundred forty".