145274953 has 2 divisors, whose sum is σ = 145274954. Its totient is φ = 145274952.

The previous prime is 145274887. The next prime is 145274957. The reversal of 145274953 is 359472541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145274809 + 144 = 12053^2 + 12^2 .

It is an emirp because it is prime and its reverse (359472541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145274953 - 2¹⁷ = 145143881 is a prime.

It is a super-2 number, since 2×145274953² = 42209623938304418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145274957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72637476 + 72637477.

It is an arithmetic number, because the mean of its divisors is an integer number (72637477).

Almost surely, 2^145274953 is an apocalyptic number.

It is an amenable number.

145274953 is a deficient number, since it is larger than the sum of its proper divisors (1).

145274953 is an equidigital number, since it uses as much as digits as its factorization.

145274953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 145274953 is about 12053.0059736150. The cubic root of 145274953 is about 525.6906441872.

The spelling of 145274953 in words is "one hundred forty-five million, two hundred seventy-four thousand, nine hundred fifty-three".