145488955 has 4 divisors (see below), whose sum is σ = 174586752. Its totient is φ = 116391160.

The previous prime is 145488929. The next prime is 145488971. The reversal of 145488955 is 559884541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145488955 - 2¹³ = 145480763 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145488899 and 145488908.

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 3 ways as a sum of consecutive naturals, for example, 14548891 + ... + 14548900.

It is an arithmetic number, because the mean of its divisors is an integer number (43646688).

Almost surely, 2^145488955 is an apocalyptic number.

145488955 is a deficient number, since it is larger than the sum of its proper divisors (29097797).

145488955 is an equidigital number, since it uses as much as digits as its factorization.

145488955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29097796.

The product of its digits is 1152000, while the sum is 49.

The square root of 145488955 is about 12061.8802431462. The cubic root of 145488955 is about 525.9486461163.

It can be divided in two parts, 1454 and 88955, that added together give a palindrome (90409).

The spelling of 145488955 in words is "one hundred forty-five million, four hundred eighty-eight thousand, nine hundred fifty-five".