142823650 has 12 divisors (see below), whose sum is σ = 265652082. Its totient is φ = 57129440.

The previous prime is 142823599. The next prime is 142823651. The reversal of 142823650 is 56328241.

It can be written as a sum of positive squares in 3 ways, for example, as 55756089 + 87067561 = 7467^2 + 9331^2 .

It is not an unprimeable number, because it can be changed into a prime (142823651) 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, 1428187 + ... + 1428286.

Almost surely, 2^142823650 is an apocalyptic number.

142823650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142823650 is a deficient number, since it is larger than the sum of its proper divisors (122828432).

142823650 is a wasteful number, since it uses less digits than its factorization.

142823650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856485 (or 2856480 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142823650 is about 11950.8849044746. The cubic root of 142823650 is about 522.7171018471.

The spelling of 142823650 in words is "one hundred forty-two million, eight hundred twenty-three thousand, six hundred fifty".