145417703 has 2 divisors, whose sum is σ = 145417704. Its totient is φ = 145417702.

The previous prime is 145417673. The next prime is 145417739. The reversal of 145417703 is 307714541.

It is a weak prime.

It is an emirp because it is prime and its reverse (307714541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145417703 is a prime.

It is a super-2 number, since 2×145417703² = 42292616691592418, which contains 22 as substring.

It is a Sophie Germain prime.

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 145417703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145017703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72708851 + 72708852.

It is an arithmetic number, because the mean of its divisors is an integer number (72708852).

Almost surely, 2^145417703 is an apocalyptic number.

145417703 is a deficient number, since it is larger than the sum of its proper divisors (1).

145417703 is an equidigital number, since it uses as much as digits as its factorization.

145417703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 145417703 is about 12058.9262789023. The cubic root of 145417703 is about 525.8627724446.

The spelling of 145417703 in words is "one hundred forty-five million, four hundred seventeen thousand, seven hundred three".