145151953 has 2 divisors, whose sum is σ = 145151954. Its totient is φ = 145151952.

The previous prime is 145151947. The next prime is 145151971. The reversal of 145151953 is 359151541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134281744 + 10870209 = 11588^2 + 3297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145151953 is a prime.

It is not a weakly prime, because it can be changed into another prime (145151353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72575976 + 72575977.

It is an arithmetic number, because the mean of its divisors is an integer number (72575977).

Almost surely, 2^145151953 is an apocalyptic number.

It is an amenable number.

145151953 is a deficient number, since it is larger than the sum of its proper divisors (1).

145151953 is an equidigital number, since it uses as much as digits as its factorization.

145151953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 34.

The square root of 145151953 is about 12047.9024315438. The cubic root of 145151953 is about 525.5422400633.

The spelling of 145151953 in words is "one hundred forty-five million, one hundred fifty-one thousand, nine hundred fifty-three".