142151542 has 8 divisors (see below), whose sum is σ = 229629456. Its totient is φ = 65608392.

The previous prime is 142151491. The next prime is 142151549. The reversal of 142151542 is 245151241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142151549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2733658 + ... + 2733709.

It is an arithmetic number, because the mean of its divisors is an integer number (28703682).

Almost surely, 2^142151542 is an apocalyptic number.

142151542 is a deficient number, since it is larger than the sum of its proper divisors (87477914).

142151542 is a wasteful number, since it uses less digits than its factorization.

142151542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467382.

The product of its digits is 1600, while the sum is 25.

The square root of 142151542 is about 11922.7321533279. The cubic root of 142151542 is about 521.8958679167.

The spelling of 142151542 in words is "one hundred forty-two million, one hundred fifty-one thousand, five hundred forty-two".