145255338952 has 32 divisors (see below), whose sum is σ = 273130183800. Its totient is φ = 72420770304.

The previous prime is 145255338859. The next prime is 145255338961. The reversal of 145255338952 is 259833552541.

It can be written as a sum of positive squares in 4 ways, for example, as 139596387876 + 5658951076 = 373626^2 + 75226^2 .

It is a super-2 number, since 2×145255338952² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145255338952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9667798 + ... + 9682810.

Almost surely, 2^145255338952 is an apocalyptic number.

It is an amenable number.

145255338952 is a deficient number, since it is larger than the sum of its proper divisors (127874844848).

145255338952 is a wasteful number, since it uses less digits than its factorization.

145255338952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18385 (or 18381 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 52.

The spelling of 145255338952 in words is "one hundred forty-five billion, two hundred fifty-five million, three hundred thirty-eight thousand, nine hundred fifty-two".