1142450167 has 4 divisors (see below), whose sum is σ = 1209653136. Its totient is φ = 1075247200.

The previous prime is 1142450131. The next prime is 1142450207. The reversal of 1142450167 is 7610542411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142450167 - 2⁷ = 1142450039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142450467) 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, 33601459 + ... + 33601492.

It is an arithmetic number, because the mean of its divisors is an integer number (302413284).

Almost surely, 2^1142450167 is an apocalyptic number.

1142450167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1142450167 is a deficient number, since it is larger than the sum of its proper divisors (67202969).

1142450167 is an equidigital number, since it uses as much as digits as its factorization.

1142450167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67202968.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1142450167 is about 33800.1503990737. The cubic root of 1142450167 is about 1045.3917983254.

Adding to 1142450167 its reverse (7610542411), we get a palindrome (8752992578).

The spelling of 1142450167 in words is "one billion, one hundred forty-two million, four hundred fifty thousand, one hundred sixty-seven".