145383097 has 2 divisors, whose sum is σ = 145383098. Its totient is φ = 145383096.

The previous prime is 145383083. The next prime is 145383131. The reversal of 145383097 is 790383541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143544361 + 1838736 = 11981^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 145383097 - 2⁷ = 145382969 is a prime.

It is a super-2 number, since 2×145383097² = 42272489786622818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145383067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72691548 + 72691549.

It is an arithmetic number, because the mean of its divisors is an integer number (72691549).

Almost surely, 2^145383097 is an apocalyptic number.

It is an amenable number.

145383097 is a deficient number, since it is larger than the sum of its proper divisors (1).

145383097 is an equidigital number, since it uses as much as digits as its factorization.

145383097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 145383097 is about 12057.4913228250. The cubic root of 145383097 is about 525.8210548030.

The spelling of 145383097 in words is "one hundred forty-five million, three hundred eighty-three thousand, ninety-seven".