145197433 has 2 divisors, whose sum is σ = 145197434. Its totient is φ = 145197432.

The previous prime is 145197389. The next prime is 145197443. The reversal of 145197433 is 334791541.

145197433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107889769 + 37307664 = 10387^2 + 6108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145197433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145197392 and 145197401.

It is not a weakly prime, because it can be changed into another prime (145197443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72598716 + 72598717.

It is an arithmetic number, because the mean of its divisors is an integer number (72598717).

Almost surely, 2^145197433 is an apocalyptic number.

It is an amenable number.

145197433 is a deficient number, since it is larger than the sum of its proper divisors (1).

145197433 is an equidigital number, since it uses as much as digits as its factorization.

145197433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 145197433 is about 12049.7897492031. The cubic root of 145197433 is about 525.5971231580.

It can be divided in two parts, 14519 and 7433, that added together give a cube (21952 = 28³).

The spelling of 145197433 in words is "one hundred forty-five million, one hundred ninety-seven thousand, four hundred thirty-three".