145313011 has 4 divisors (see below), whose sum is σ = 151630992. Its totient is φ = 138995032.

The previous prime is 145313009. The next prime is 145313071. The reversal of 145313011 is 110313541.

145313011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145313011 - 2¹ = 145313009 is a prime.

It is a super-2 number, since 2×145313011² = 42231742331772242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145313011.

It is not an unprimeable number, because it can be changed into a prime (145313071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158956 + ... + 3159001.

It is an arithmetic number, because the mean of its divisors is an integer number (37907748).

Almost surely, 2^145313011 is an apocalyptic number.

145313011 is a deficient number, since it is larger than the sum of its proper divisors (6317981).

145313011 is an equidigital number, since it uses as much as digits as its factorization.

145313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317980.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 145313011 is about 12054.5846465152. The cubic root of 145313011 is about 525.7365456251.

Adding to 145313011 its reverse (110313541), we get a palindrome (255626552).

It can be divided in two parts, 14 and 5313011, that added together give a square (5313025 = 2305²).

The spelling of 145313011 in words is "one hundred forty-five million, three hundred thirteen thousand, eleven".