142061040 has 200 divisors, whose sum is σ = 538523568. Its totient is φ = 34421760.

The previous prime is 142061021. The next prime is 142061047. The reversal of 142061040 is 40160241.

142061040 is a `hidden beast` number, since 14 + 2 + 0 + 610 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142061047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70284 + ... + 72276.

Almost surely, 2^142061040 is an apocalyptic number.

142061040 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 142061040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269261784).

142061040 is an abundant number, since it is smaller than the sum of its proper divisors (396462528).

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

142061040 is a wasteful number, since it uses less digits than its factorization.

142061040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142061040 is about 11918.9361941408. The cubic root of 142061040 is about 521.7850879082.

The spelling of 142061040 in words is "one hundred forty-two million, sixty-one thousand, forty".