2145336454567 has 32 divisors (see below), whose sum is σ = 2258095656960. Its totient is φ = 2035505472000.

The previous prime is 2145336454531. The next prime is 2145336454571. The reversal of 2145336454567 is 7654546335412.

It is a cyclic number.

It is not a de Polignac number, because 2145336454567 - 2¹⁹ = 2145335930279 is a prime.

It is a super-3 number, since 3×2145336454567³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145336454507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803194642 + ... + 803197312.

It is an arithmetic number, because the mean of its divisors is an integer number (70565489280).

Almost surely, 2^{2145336454567} is an apocalyptic number.

2145336454567 is a deficient number, since it is larger than the sum of its proper divisors (112759202393).

2145336454567 is a wasteful number, since it uses less digits than its factorization.

2145336454567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its digits is 36288000, while the sum is 55.

The spelling of 2145336454567 in words is "two trillion, one hundred forty-five billion, three hundred thirty-six million, four hundred fifty-four thousand, five hundred sixty-seven".