142704040 has 16 divisors (see below), whose sum is σ = 321084180. Its totient is φ = 57081600.

The previous prime is 142704019. The next prime is 142704043. The reversal of 142704040 is 40407241.

It can be written as a sum of positive squares in 2 ways, for example, as 115476516 + 27227524 = 10746^2 + 5218^2 .

It is not an unprimeable number, because it can be changed into a prime (142704043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783761 + ... + 1783840.

Almost surely, 2^142704040 is an apocalyptic number.

142704040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142704040 is an abundant number, since it is smaller than the sum of its proper divisors (178380140).

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

142704040 is a wasteful number, since it uses less digits than its factorization.

142704040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567612 (or 3567608 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 142704040 is about 11945.8796243726. The cubic root of 142704040 is about 522.5711417672.

The spelling of 142704040 in words is "one hundred forty-two million, seven hundred four thousand, forty".