9144293854 has 4 divisors (see below), whose sum is σ = 13716440784. Its totient is φ = 4572146926.

The previous prime is 9144293831. The next prime is 9144293857. The reversal of 9144293854 is 4583924419.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4583924419 = 33589 ⋅136471.

It is a super-2 number, since 2×9144293854² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9144293798 and 9144293807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144293857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286073462 + ... + 2286073465.

It is an arithmetic number, because the mean of its divisors is an integer number (3429110196).

Almost surely, 2^9144293854 is an apocalyptic number.

9144293854 is a deficient number, since it is larger than the sum of its proper divisors (4572146930).

9144293854 is a wasteful number, since it uses less digits than its factorization.

9144293854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572146929.

The product of its digits is 1244160, while the sum is 49.

The square root of 9144293854 is about 95625.8011940292. The cubic root of 9144293854 is about 2091.1413570057.

The spelling of 9144293854 in words is "nine billion, one hundred forty-four million, two hundred ninety-three thousand, eight hundred fifty-four".