145880539 has 8 divisors (see below), whose sum is σ = 169866720. Its totient is φ = 122680896.

The previous prime is 145880533. The next prime is 145880543. The reversal of 145880539 is 935088541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145880539 - 2¹³ = 145872347 is a prime.

It is a super-2 number, since 2×145880539² = 42562263317861042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145880495 and 145880504.

It is not an unprimeable number, because it can be changed into a prime (145880533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196234 + ... + 196975.

It is an arithmetic number, because the mean of its divisors is an integer number (21233340).

Almost surely, 2^145880539 is an apocalyptic number.

145880539 is a deficient number, since it is larger than the sum of its proper divisors (23986181).

145880539 is an equidigital number, since it uses as much as digits as its factorization.

145880539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393269.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 145880539 is about 12078.1016306372. The cubic root of 145880539 is about 526.4200875760.

The spelling of 145880539 in words is "one hundred forty-five million, eight hundred eighty thousand, five hundred thirty-nine".