142087924 has 12 divisors (see below), whose sum is σ = 271258848. Its totient is φ = 64585400.

The previous prime is 142087903. The next prime is 142087927. The reversal of 142087924 is 429780241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142087927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614592 + ... + 1614679.

It is an arithmetic number, because the mean of its divisors is an integer number (22604904).

Almost surely, 2^142087924 is an apocalyptic number.

It is an amenable number.

142087924 is a deficient number, since it is larger than the sum of its proper divisors (129170924).

142087924 is a wasteful number, since it uses less digits than its factorization.

142087924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229286 (or 3229284 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 142087924 is about 11920.0639260031. The cubic root of 142087924 is about 521.8180004870.

The spelling of 142087924 in words is "one hundred forty-two million, eighty-seven thousand, nine hundred twenty-four".