145965803 has 2 divisors, whose sum is σ = 145965804. Its totient is φ = 145965802.

The previous prime is 145965793. The next prime is 145965839. The reversal of 145965803 is 308569541.

145965803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145965803 - 2⁶ = 145965739 is a prime.

It is not a weakly prime, because it can be changed into another prime (145965403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72982901 + 72982902.

It is an arithmetic number, because the mean of its divisors is an integer number (72982902).

Almost surely, 2^145965803 is an apocalyptic number.

145965803 is a deficient number, since it is larger than the sum of its proper divisors (1).

145965803 is an equidigital number, since it uses as much as digits as its factorization.

145965803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 145965803 is about 12081.6308087940. The cubic root of 145965803 is about 526.5226279624.

The spelling of 145965803 in words is "one hundred forty-five million, nine hundred sixty-five thousand, eight hundred three".