142146045 has 48 divisors (see below), whose sum is σ = 257512320. Its totient is φ = 72461952.

The previous prime is 142146029. The next prime is 142146097. The reversal of 142146045 is 540641241.

142146045 is a `hidden beast` number, since 1 + 42 + 14 + 604 + 5 = 666.

It is not a de Polignac number, because 142146045 - 2⁴ = 142146029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97512 + ... + 98958.

It is an arithmetic number, because the mean of its divisors is an integer number (5364840).

Almost surely, 2^142146045 is an apocalyptic number.

142146045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142146045 is a deficient number, since it is larger than the sum of its proper divisors (115366275).

142146045 is a wasteful number, since it uses less digits than its factorization.

142146045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 142146045 is about 11922.5016250785. The cubic root of 142146045 is about 521.8891405924.

Adding to 142146045 its reverse (540641241), we get a palindrome (682787286).

The spelling of 142146045 in words is "one hundred forty-two million, one hundred forty-six thousand, forty-five".