43100420145 has 16 divisors (see below), whose sum is σ = 69068270592. Its totient is φ = 22951024640.

The previous prime is 43100420101. The next prime is 43100420189. The reversal of 43100420145 is 54102400134.

It is an interprime number because it is at equal distance from previous prime (43100420101) and next prime (43100420189).

It is not a de Polignac number, because 43100420145 - 2¹⁴ = 43100403761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231697 + ... + 2250926.

It is an arithmetic number, because the mean of its divisors is an integer number (4316766912).

Almost surely, 2^43100420145 is an apocalyptic number.

It is an amenable number.

43100420145 is a deficient number, since it is larger than the sum of its proper divisors (25967850447).

43100420145 is a wasteful number, since it uses less digits than its factorization.

43100420145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483272.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 43100420145 its reverse (54102400134), we get a palindrome (97202820279).

The spelling of 43100420145 in words is "forty-three billion, one hundred million, four hundred twenty thousand, one hundred forty-five".