145399043 has 2 divisors, whose sum is σ = 145399044. Its totient is φ = 145399042.

The previous prime is 145399027. The next prime is 145399081. The reversal of 145399043 is 340993541.

It is an a-pointer prime, because the next prime (145399081) can be obtained adding 145399043 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145399043 - 2⁴ = 145399027 is a prime.

It is a super-2 number, since 2×145399043² = 42281763410631698, 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 = 145398988 and 145399006.

It is not a weakly prime, because it can be changed into another prime (145399003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72699521 + 72699522.

It is an arithmetic number, because the mean of its divisors is an integer number (72699522).

Almost surely, 2^145399043 is an apocalyptic number.

145399043 is a deficient number, since it is larger than the sum of its proper divisors (1).

145399043 is an equidigital number, since it uses as much as digits as its factorization.

145399043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 145399043 is about 12058.1525533558. The cubic root of 145399043 is about 525.8402785783.

The spelling of 145399043 in words is "one hundred forty-five million, three hundred ninety-nine thousand, forty-three".