83142250 has 16 divisors (see below), whose sum is σ = 155642760. Its totient is φ = 33256800.

The previous prime is 83142247. The next prime is 83142253. The reversal of 83142250 is 5224138.

It is an interprime number because it is at equal distance from previous prime (83142247) and next prime (83142253).

It can be written as a sum of positive squares in 4 ways, for example, as 12229009 + 70913241 = 3497^2 + 8421^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (83142253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166035 + ... + 166534.

Almost surely, 2^83142250 is an apocalyptic number.

83142250 is a deficient number, since it is larger than the sum of its proper divisors (72500510).

83142250 is a wasteful number, since it uses less digits than its factorization.

83142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332586 (or 332576 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 83142250 is about 9118.2372199894. The cubic root of 83142250 is about 436.4561235331.

Adding to 83142250 its reverse (5224138), we get a palindrome (88366388).

The spelling of 83142250 in words is "eighty-three million, one hundred forty-two thousand, two hundred fifty".