142525420 has 24 divisors (see below), whose sum is σ = 299938464. Its totient is φ = 56889216.

The previous prime is 142525393. The next prime is 142525423. The reversal of 142525420 is 24525241.

It is not an unprimeable number, because it can be changed into a prime (142525423) 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, 2424 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (12497436).

Almost surely, 2^142525420 is an apocalyptic number.

142525420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142525420 is an abundant number, since it is smaller than the sum of its proper divisors (157413044).

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

142525420 is a wasteful number, since it uses less digits than its factorization.

142525420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15129 (or 15127 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 142525420 is about 11938.4010654694. The cubic root of 142525420 is about 522.3530198670.

The spelling of 142525420 in words is "one hundred forty-two million, five hundred twenty-five thousand, four hundred twenty".