142920414 has 48 divisors (see below), whose sum is σ = 381125472. Its totient is φ = 37692864.

The previous prime is 142920409. The next prime is 142920461. The reversal of 142920414 is 414029241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41989 + ... + 45264.

It is an arithmetic number, because the mean of its divisors is an integer number (7940114).

Almost surely, 2^142920414 is an apocalyptic number.

142920414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142920414 is an abundant number, since it is smaller than the sum of its proper divisors (238205058).

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

142920414 is a wasteful number, since it uses less digits than its factorization.

142920414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87281 (or 87278 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 142920414 is about 11954.9326221439. The cubic root of 142920414 is about 522.8351233352.

Adding to 142920414 its reverse (414029241), we get a palindrome (556949655).

The spelling of 142920414 in words is "one hundred forty-two million, nine hundred twenty thousand, four hundred fourteen".