142148146 has 8 divisors (see below), whose sum is σ = 243682560. Its totient is φ = 60920628.

The previous prime is 142148143. The next prime is 142148147. The reversal of 142148146 is 641841241.

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

It is a super-2 number, since 2×142148146² = 40412190822474632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142148141) 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, 5076706 + ... + 5076733.

It is an arithmetic number, because the mean of its divisors is an integer number (30460320).

Almost surely, 2^142148146 is an apocalyptic number.

142148146 is a deficient number, since it is larger than the sum of its proper divisors (101534414).

142148146 is a wasteful number, since it uses less digits than its factorization.

142148146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153448.

The product of its digits is 6144, while the sum is 31.

The square root of 142148146 is about 11922.5897354560. The cubic root of 142148146 is about 521.8917118532.

Adding to 142148146 its reverse (641841241), we get a palindrome (783989387).

The spelling of 142148146 in words is "one hundred forty-two million, one hundred forty-eight thousand, one hundred forty-six".