22145002430145 has 192 divisors, whose sum is σ = 44037095122944. Its totient is φ = 9452064061440.

The previous prime is 22145002430123. The next prime is 22145002430197. The reversal of 22145002430145 is 54103420054122.

It is not a de Polignac number, because 22145002430145 - 2¹⁶ = 22145002364609 is a prime.

It is a super-2 number, since 2×22145002430145² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1252465705 + ... + 1252483385.

It is an arithmetic number, because the mean of its divisors is an integer number (229359870432).

Almost surely, 2^{22145002430145} is an apocalyptic number.

It is an amenable number.

22145002430145 is a deficient number, since it is larger than the sum of its proper divisors (21892092692799).

22145002430145 is a wasteful number, since it uses less digits than its factorization.

22145002430145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19492 (or 19485 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 22145002430145 its reverse (54103420054122), we get a palindrome (76248422484267).

The spelling of 22145002430145 in words is "twenty-two trillion, one hundred forty-five billion, two million, four hundred thirty thousand, one hundred forty-five".