10142145 has 32 divisors (see below), whose sum is σ = 19420800. Its totient is φ = 4992192.

The previous prime is 10142131. The next prime is 10142147. The reversal of 10142145 is 54124101.

It is not a de Polignac number, because 10142145 - 2⁵ = 10142113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10142147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135 + ... + 4644.

It is an arithmetic number, because the mean of its divisors is an integer number (606900).

Almost surely, 2^10142145 is an apocalyptic number.

10142145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10142145 is a deficient number, since it is larger than the sum of its proper divisors (9278655).

10142145 is a wasteful number, since it uses less digits than its factorization.

10142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5800 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 10142145 is about 3184.6734526479. The cubic root of 10142145 is about 216.4594771499.

Adding to 10142145 its reverse (54124101), we get a palindrome (64266246).

The spelling of 10142145 in words is "ten million, one hundred forty-two thousand, one hundred forty-five".