145436723 has 2 divisors, whose sum is σ = 145436724. Its totient is φ = 145436722.

The previous prime is 145436701. The next prime is 145436737. The reversal of 145436723 is 327634541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145436723 - 2²⁶ = 78327859 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (145436743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72718361 + 72718362.

It is an arithmetic number, because the mean of its divisors is an integer number (72718362).

Almost surely, 2^145436723 is an apocalyptic number.

145436723 is a deficient number, since it is larger than the sum of its proper divisors (1).

145436723 is an equidigital number, since it uses as much as digits as its factorization.

145436723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 145436723 is about 12059.7148805434. The cubic root of 145436723 is about 525.8856982959.

The spelling of 145436723 in words is "one hundred forty-five million, four hundred thirty-six thousand, seven hundred twenty-three".