145711005 has 64 divisors (see below), whose sum is σ = 267411456. Its totient is φ = 67104000.

The previous prime is 145711001. The next prime is 145711031. The reversal of 145711005 is 500117541.

It is not a de Polignac number, because 145711005 - 2² = 145711001 is a prime.

It is a super-2 number, since 2×145711005² = 42463393956220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145711001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311782 + ... + 312248.

It is an arithmetic number, because the mean of its divisors is an integer number (4178304).

Almost surely, 2^145711005 is an apocalyptic number.

145711005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145711005 is a deficient number, since it is larger than the sum of its proper divisors (121700451).

145711005 is a wasteful number, since it uses less digits than its factorization.

145711005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 145711005 is about 12071.0813517265. The cubic root of 145711005 is about 526.2160834452.

Adding to 145711005 its reverse (500117541), we get a palindrome (645828546).

It can be divided in two parts, 14571 and 1005, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 145711005 in words is "one hundred forty-five million, seven hundred eleven thousand, five".