145992953 has 2 divisors, whose sum is σ = 145992954. Its totient is φ = 145992952.

The previous prime is 145992943. The next prime is 145992961. The reversal of 145992953 is 359299541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 14500864 = 11467^2 + 3808^2 .

It is an emirp because it is prime and its reverse (359299541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145992953 - 2¹⁰ = 145991929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145992898 and 145992907.

It is not a weakly prime, because it can be changed into another prime (145992943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72996476 + 72996477.

It is an arithmetic number, because the mean of its divisors is an integer number (72996477).

Almost surely, 2^145992953 is an apocalyptic number.

It is an amenable number.

145992953 is a deficient number, since it is larger than the sum of its proper divisors (1).

145992953 is an equidigital number, since it uses as much as digits as its factorization.

145992953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 47.

The square root of 145992953 is about 12082.7543631409. The cubic root of 145992953 is about 526.5552707751. Note that the first 3 decimals are identical.

The spelling of 145992953 in words is "one hundred forty-five million, nine hundred ninety-two thousand, nine hundred fifty-three".