1146772142 has 8 divisors (see below), whose sum is σ = 1722100176. Its totient is φ = 572738752.

The previous prime is 1146772139. The next prime is 1146772147. The reversal of 1146772142 is 2412776411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146772147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321443 + ... + 324990.

It is an arithmetic number, because the mean of its divisors is an integer number (215262522).

Almost surely, 2^1146772142 is an apocalyptic number.

1146772142 is a deficient number, since it is larger than the sum of its proper divisors (575328034).

1146772142 is an equidigital number, since it uses as much as digits as its factorization.

1146772142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647322.

The product of its digits is 18816, while the sum is 35.

The square root of 1146772142 is about 33864.0243030860. The cubic root of 1146772142 is about 1046.7084047393.

The spelling of 1146772142 in words is "one billion, one hundred forty-six million, seven hundred seventy-two thousand, one hundred forty-two".