142234245 has 64 divisors (see below), whose sum is σ = 261480960. Its totient is φ = 73322496.

The previous prime is 142234243. The next prime is 142234273. The reversal of 142234245 is 542432241.

142234245 is a `hidden beast` number, since 14 + 223 + 424 + 5 = 666.

It is not a de Polignac number, because 142234245 - 2¹ = 142234243 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 736869 + ... + 737061.

It is an arithmetic number, because the mean of its divisors is an integer number (4085640).

Almost surely, 2^142234245 is an apocalyptic number.

142234245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142234245 is a deficient number, since it is larger than the sum of its proper divisors (119246715).

142234245 is a wasteful number, since it uses less digits than its factorization.

142234245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 142234245 is about 11926.1999396287. The cubic root of 142234245 is about 521.9970603613.

Adding to 142234245 its reverse (542432241), we get a palindrome (684666486).

The spelling of 142234245 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred forty-five".