142538064 has 40 divisors (see below), whose sum is σ = 389885760. Its totient is φ = 44717568.

The previous prime is 142538063. The next prime is 142538083. The reversal of 142538064 is 460835241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142538063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86524 + ... + 88155.

It is an arithmetic number, because the mean of its divisors is an integer number (9747144).

Almost surely, 2^142538064 is an apocalyptic number.

It is an amenable number.

142538064 is an abundant number, since it is smaller than the sum of its proper divisors (247347696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142538064 is a wasteful number, since it uses less digits than its factorization.

142538064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174707 (or 174701 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 142538064 is about 11938.9306053767. The cubic root of 142538064 is about 522.3684660854.

The spelling of 142538064 in words is "one hundred forty-two million, five hundred thirty-eight thousand, sixty-four".