145880783 has 4 divisors (see below), whose sum is σ = 145984440. Its totient is φ = 145777128.

The previous prime is 145880773. The next prime is 145880797. The reversal of 145880783 is 387088541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145880783 - 2⁴ = 145880767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145880773) 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 3 ways as a sum of consecutive naturals, for example, 49688 + ... + 52541.

It is an arithmetic number, because the mean of its divisors is an integer number (36496110).

Almost surely, 2^145880783 is an apocalyptic number.

145880783 is a deficient number, since it is larger than the sum of its proper divisors (103657).

145880783 is a wasteful number, since it uses less digits than its factorization.

145880783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103656.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 145880783 is about 12078.1117315580. Note that the first 3 decimals coincide. The cubic root of 145880783 is about 526.4203810729.

The spelling of 145880783 in words is "one hundred forty-five million, eight hundred eighty thousand, seven hundred eighty-three".