145345703 has 2 divisors, whose sum is σ = 145345704. Its totient is φ = 145345702.

The previous prime is 145345661. The next prime is 145345721. The reversal of 145345703 is 307543541.

145345703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145345703 - 2¹⁴ = 145329319 is a prime.

It is a super-2 number, since 2×145345703² = 42250746761128418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145345703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145345793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672851 + 72672852.

It is an arithmetic number, because the mean of its divisors is an integer number (72672852).

Almost surely, 2^145345703 is an apocalyptic number.

145345703 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345703 is an equidigital number, since it uses as much as digits as its factorization.

145345703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 145345703 is about 12055.9405688648. The cubic root of 145345703 is about 525.7759687763.

The spelling of 145345703 in words is "one hundred forty-five million, three hundred forty-five thousand, seven hundred three".