2420031235145 has 8 divisors (see below), whose sum is σ = 2905671728904. Its totient is φ = 1934935490304.

The previous prime is 2420031235121. The next prime is 2420031235147. The reversal of 2420031235145 is 5415321300242.

It can be written as a sum of positive squares in 4 ways, for example, as 171782894089 + 2248248341056 = 414467^2 + 1499416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2420031235145 - 2¹⁰ = 2420031234121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420031235147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136177454 + ... + 136195223.

It is an arithmetic number, because the mean of its divisors is an integer number (363208966113).

Almost surely, 2^{2420031235145} is an apocalyptic number.

It is an amenable number.

2420031235145 is a deficient number, since it is larger than the sum of its proper divisors (485640493759).

2420031235145 is a wasteful number, since it uses less digits than its factorization.

2420031235145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272374459.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2420031235145 its reverse (5415321300242), we get a palindrome (7835352535387).

The spelling of 2420031235145 in words is "two trillion, four hundred twenty billion, thirty-one million, two hundred thirty-five thousand, one hundred forty-five".