142007290 has 32 divisors (see below), whose sum is σ = 282424320. Its totient is φ = 51135744.

The previous prime is 142007279. The next prime is 142007291. The reversal of 142007290 is 92700241.

It is not an unprimeable number, because it can be changed into a prime (142007291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14250 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (8825760).

Almost surely, 2^142007290 is an apocalyptic number.

142007290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142007290 is a deficient number, since it is larger than the sum of its proper divisors (140417030).

142007290 is a wasteful number, since it uses less digits than its factorization.

142007290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36366.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 142007290 is about 11916.6811654923. The cubic root of 142007290 is about 521.7192723350.

The spelling of 142007290 in words is "one hundred forty-two million, seven thousand, two hundred ninety".