2145430501455 has 16 divisors (see below), whose sum is σ = 3435829440480. Its totient is φ = 1143182721408.

The previous prime is 2145430501429. The next prime is 2145430501457. The reversal of 2145430501455 is 5541050345412.

It is not a de Polignac number, because 2145430501455 - 2⁸ = 2145430501199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145430501457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65413020 + ... + 65445809.

It is an arithmetic number, because the mean of its divisors is an integer number (214739340030).

Almost surely, 2^{2145430501455} is an apocalyptic number.

2145430501455 is a deficient number, since it is larger than the sum of its proper divisors (1290398939025).

2145430501455 is a wasteful number, since it uses less digits than its factorization.

2145430501455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130859930.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 2145430501455 its reverse (5541050345412), we get a palindrome (7686480846867).

The spelling of 2145430501455 in words is "two trillion, one hundred forty-five billion, four hundred thirty million, five hundred one thousand, four hundred fifty-five".