145202723 has 2 divisors, whose sum is σ = 145202724. Its totient is φ = 145202722.

The previous prime is 145202719. The next prime is 145202737. The reversal of 145202723 is 327202541.

145202723 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 an emirp because it is prime and its reverse (327202541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145202723 - 2² = 145202719 is a prime.

It is a super-2 number, since 2×145202723² = 42167661533229458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 145202692 and 145202701.

It is not a weakly prime, because it can be changed into another prime (145202923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72601361 + 72601362.

It is an arithmetic number, because the mean of its divisors is an integer number (72601362).

Almost surely, 2^145202723 is an apocalyptic number.

145202723 is a deficient number, since it is larger than the sum of its proper divisors (1).

145202723 is an equidigital number, since it uses as much as digits as its factorization.

145202723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145202723 is about 12050.0092531085. The cubic root of 145202723 is about 525.6035061336.

The spelling of 145202723 in words is "one hundred forty-five million, two hundred two thousand, seven hundred twenty-three".