142417752 has 32 divisors (see below), whose sum is σ = 358112880. Its totient is φ = 47196800.

The previous prime is 142417747. The next prime is 142417783. The reversal of 142417752 is 257714241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12999 + ... + 21302.

Almost surely, 2^142417752 is an apocalyptic number.

142417752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142417752 is an abundant number, since it is smaller than the sum of its proper divisors (215695128).

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

142417752 is a wasteful number, since it uses less digits than its factorization.

142417752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34483 (or 34479 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 142417752 is about 11933.8908994510. The cubic root of 142417752 is about 522.2214529908.

The spelling of 142417752 in words is "one hundred forty-two million, four hundred seventeen thousand, seven hundred fifty-two".