142454436 has 12 divisors (see below), whose sum is σ = 332393712. Its totient is φ = 47484808.

The previous prime is 142454423. The next prime is 142454437. The reversal of 142454436 is 634454241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142454397 and 142454406.

It is not an unprimeable number, because it can be changed into a prime (142454437) 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, 5935590 + ... + 5935613.

It is an arithmetic number, because the mean of its divisors is an integer number (27699476).

Almost surely, 2^142454436 is an apocalyptic number.

It is an amenable number.

142454436 is an abundant number, since it is smaller than the sum of its proper divisors (189939276).

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

142454436 is a wasteful number, since it uses less digits than its factorization.

142454436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871210 (or 11871208 counting only the distinct ones).

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

The square root of 142454436 is about 11935.4277677844. The cubic root of 142454436 is about 522.2662871189.

It can be divided in two parts, 14245 and 4436, that added together give a palindrome (18681).

The spelling of 142454436 in words is "one hundred forty-two million, four hundred fifty-four thousand, four hundred thirty-six".