142162490 has 16 divisors (see below), whose sum is σ = 256731552. Its totient is φ = 56678544.

The previous prime is 142162477. The next prime is 142162499. The reversal of 142162490 is 94261241.

142162490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142162499) 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, 20084 + ... + 26223.

It is an arithmetic number, because the mean of its divisors is an integer number (16045722).

Almost surely, 2^142162490 is an apocalyptic number.

142162490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142162490 is a deficient number, since it is larger than the sum of its proper divisors (114569062).

142162490 is a wasteful number, since it uses less digits than its factorization.

142162490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46621.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 142162490 is about 11923.1912674418. The cubic root of 142162490 is about 521.9092657530.

The spelling of 142162490 in words is "one hundred forty-two million, one hundred sixty-two thousand, four hundred ninety".