142348040 has 32 divisors (see below), whose sum is σ = 320679000. Its totient is φ = 56868864.

The previous prime is 142348039. The next prime is 142348043. The reversal of 142348040 is 40843241.

It can be written as a sum of positive squares in 4 ways, for example, as 105308644 + 37039396 = 10262^2 + 6086^2 .

It is not an unprimeable number, because it can be changed into a prime (142348043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41096 + ... + 44424.

Almost surely, 2^142348040 is an apocalyptic number.

142348040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142348040 is an abundant number, since it is smaller than the sum of its proper divisors (178330960).

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

142348040 is a wasteful number, since it uses less digits than its factorization.

142348040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 142348040 is about 11930.9697845565. The cubic root of 142348040 is about 522.1362317713.

The spelling of 142348040 in words is "one hundred forty-two million, three hundred forty-eight thousand, forty".