142175040 has 112 divisors (see below), whose sum is σ = 515916672. Its totient is φ = 32495616.

The previous prime is 142175039. The next prime is 142175051. The reversal of 142175040 is 40571241.

142175040 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 142175040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3859 + ... + 17298.

Almost surely, 2^142175040 is an apocalyptic number.

142175040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142175040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257958336).

142175040 is an abundant number, since it is smaller than the sum of its proper divisors (373741632).

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

142175040 is a wasteful number, since it uses less digits than its factorization.

142175040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21184 (or 21174 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 142175040 is about 11923.7175411027. The cubic root of 142175040 is about 521.9246232231.

The spelling of 142175040 in words is "one hundred forty-two million, one hundred seventy-five thousand, forty".