142400034546 has 48 divisors (see below), whose sum is σ = 361416051360. Its totient is φ = 36987021120.

The previous prime is 142400034503. The next prime is 142400034563. The reversal of 142400034546 is 645430004241.

It is a happy number.

It is a super-2 number, since 2×142400034546² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22012851 + ... + 22019318.

It is an arithmetic number, because the mean of its divisors is an integer number (7529501070).

Almost surely, 2^142400034546 is an apocalyptic number.

142400034546 is an abundant number, since it is smaller than the sum of its proper divisors (219016016814).

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

142400034546 is a wasteful number, since it uses less digits than its factorization.

142400034546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44032199 (or 44032192 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 142400034546 its reverse (645430004241), we get a palindrome (787830038787).

The spelling of 142400034546 in words is "one hundred forty-two billion, four hundred million, thirty-four thousand, five hundred forty-six".