9142274146 has 4 divisors (see below), whose sum is σ = 13713411222. Its totient is φ = 4571137072.

The previous prime is 9142274143. The next prime is 9142274149. The reversal of 9142274146 is 6414722419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6414722419 = 7 ⋅916388917.

It is an interprime number because it is at equal distance from previous prime (9142274143) and next prime (9142274149).

It can be written as a sum of positive squares in only one way, i.e., 8612768025 + 529506121 = 92805^2 + 23011^2 .

It is a Smith number, since the sum of its digits (40) 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 = 9142274099 and 9142274108.

It is not an unprimeable number, because it can be changed into a prime (9142274143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2285568535 + ... + 2285568538.

Almost surely, 2^9142274146 is an apocalyptic number.

9142274146 is a deficient number, since it is larger than the sum of its proper divisors (4571137076).

9142274146 is a wasteful number, since it uses less digits than its factorization.

9142274146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571137075.

The product of its digits is 96768, while the sum is 40.

The square root of 9142274146 is about 95615.2401346145. The cubic root of 9142274146 is about 2090.9873882765.

The spelling of 9142274146 in words is "nine billion, one hundred forty-two million, two hundred seventy-four thousand, one hundred forty-six".