145245055 has 16 divisors (see below), whose sum is σ = 179020800. Its totient is φ = 113087520.

The previous prime is 145245053. The next prime is 145245109. The reversal of 145245055 is 550542541.

145245055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145245055 - 2¹ = 145245053 is a prime.

It is a super-2 number, since 2×145245055² = 42192252003906050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25456 + ... + 30634.

It is an arithmetic number, because the mean of its divisors is an integer number (11188800).

Almost surely, 2^145245055 is an apocalyptic number.

145245055 is a deficient number, since it is larger than the sum of its proper divisors (33775745).

145245055 is an equidigital number, since it uses as much as digits as its factorization.

145245055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 145245055 is about 12051.7656382789. The cubic root of 145245055 is about 525.6545788346.

Adding to 145245055 its reverse (550542541), we get a palindrome (695787596).

The spelling of 145245055 in words is "one hundred forty-five million, two hundred forty-five thousand, fifty-five".