142234554 has 128 divisors (see below), whose sum is σ = 371404800. Its totient is φ = 35985600.

The previous prime is 142234483. The next prime is 142234559. The reversal of 142234554 is 455432241.

It is not an unprimeable number, because it can be changed into a prime (142234559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1380867 + ... + 1380969.

It is an arithmetic number, because the mean of its divisors is an integer number (2901600).

Almost surely, 2^142234554 is an apocalyptic number.

142234554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142234554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185702400).

142234554 is an abundant number, since it is smaller than the sum of its proper divisors (229170246).

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

142234554 is a wasteful number, since it uses less digits than its factorization.

142234554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 187 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 142234554 is about 11926.2128942930. The cubic root of 142234554 is about 521.9974383691.

Adding to 142234554 its reverse (455432241), we get a palindrome (597666795).

The spelling of 142234554 in words is "one hundred forty-two million, two hundred thirty-four thousand, five hundred fifty-four".