142207245 has 24 divisors (see below), whose sum is σ = 255624096. Its totient is φ = 75843216.

The previous prime is 142207237. The next prime is 142207253. The reversal of 142207245 is 542702241.

142207245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142207237) and next prime (142207253).

It is not a de Polignac number, because 142207245 - 2³ = 142207237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57307 + ... + 59736.

It is an arithmetic number, because the mean of its divisors is an integer number (10651004).

Almost surely, 2^142207245 is an apocalyptic number.

142207245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142207245 is a deficient number, since it is larger than the sum of its proper divisors (113416851).

142207245 is an equidigital number, since it uses as much as digits as its factorization.

142207245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117063 (or 117051 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 142207245 is about 11925.0679243349. The cubic root of 142207245 is about 521.9640284368.

Adding to 142207245 its reverse (542702241), we get a palindrome (684909486).

The spelling of 142207245 in words is "one hundred forty-two million, two hundred seven thousand, two hundred forty-five".