145868803 has 2 divisors, whose sum is σ = 145868804. Its totient is φ = 145868802.

The previous prime is 145868761. The next prime is 145868813. The reversal of 145868803 is 308868541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145868803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145868803.

It is not a weakly prime, because it can be changed into another prime (145868813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72934401 + 72934402.

It is an arithmetic number, because the mean of its divisors is an integer number (72934402).

Almost surely, 2^145868803 is an apocalyptic number.

145868803 is a deficient number, since it is larger than the sum of its proper divisors (1).

145868803 is an equidigital number, since it uses as much as digits as its factorization.

145868803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 145868803 is about 12077.6157829267. The cubic root of 145868803 is about 526.4059704729.

The spelling of 145868803 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, eight hundred three".