4005013545 has 48 divisors (see below), whose sum is σ = 7709892480. Its totient is φ = 1971687744.

The previous prime is 4005013543. The next prime is 4005013547. The reversal of 4005013545 is 5453105004.

It is an interprime number because it is at equal distance from previous prime (4005013543) and next prime (4005013547).

It is not a de Polignac number, because 4005013545 - 2¹ = 4005013543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4005013543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64957 + ... + 110586.

It is an arithmetic number, because the mean of its divisors is an integer number (160622760).

Almost surely, 2^4005013545 is an apocalyptic number.

4005013545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4005013545 is a deficient number, since it is larger than the sum of its proper divisors (3704878935).

4005013545 is a wasteful number, since it uses less digits than its factorization.

4005013545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175583 (or 175564 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4005013545 is about 63285.1763448598. The cubic root of 4005013545 is about 1588.0639839593.

Adding to 4005013545 its reverse (5453105004), we get a palindrome (9458118549).

The spelling of 4005013545 in words is "four billion, five million, thirteen thousand, five hundred forty-five".