142050312 has 24 divisors (see below), whose sum is σ = 384719790. Its totient is φ = 47350080.

The previous prime is 142050301. The next prime is 142050313. The reversal of 142050312 is 213050241.

It can be written as a sum of positive squares in only one way, i.e., 87497316 + 54552996 = 9354^2 + 7386^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×142050312² = 40356582278594688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (142050313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 986389 + ... + 986532.

Almost surely, 2^142050312 is an apocalyptic number.

142050312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142050312 is an abundant number, since it is smaller than the sum of its proper divisors (242669478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142050312 is a wasteful number, since it uses less digits than its factorization.

142050312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972933 (or 1972926 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 142050312 is about 11918.4861454801. The cubic root of 142050312 is about 521.7719530583.

The spelling of 142050312 in words is "one hundred forty-two million, fifty thousand, three hundred twelve".