145413140 has 24 divisors (see below), whose sum is σ = 306066600. Its totient is φ = 58032128.

The previous prime is 145413133. The next prime is 145413161. The reversal of 145413140 is 41314541.

It can be written as a sum of positive squares in 4 ways, for example, as 61434244 + 83978896 = 7838^2 + 9164^2 .

It is a super-2 number, since 2×145413140² = 42289962569319200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 884 + ... + 17076.

It is an arithmetic number, because the mean of its divisors is an integer number (12752775).

Almost surely, 2^145413140 is an apocalyptic number.

145413140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145413140 is an abundant number, since it is smaller than the sum of its proper divisors (160653460).

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

145413140 is a wasteful number, since it uses less digits than its factorization.

145413140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16651 (or 16649 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145413140 is about 12058.7370814692. The cubic root of 145413140 is about 525.8572721126.

Adding to 145413140 its reverse (41314541), we get a palindrome (186727681).

The spelling of 145413140 in words is "one hundred forty-five million, four hundred thirteen thousand, one hundred forty".