142503354 has 128 divisors (see below), whose sum is σ = 388730880. Its totient is φ = 37806912.

The previous prime is 142503343. The next prime is 142503359. The reversal of 142503354 is 453305241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142503359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321457 + ... + 321899.

It is an arithmetic number, because the mean of its divisors is an integer number (3036960).

Almost surely, 2^142503354 is an apocalyptic number.

142503354 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 142503354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194365440).

142503354 is an abundant number, since it is smaller than the sum of its proper divisors (246227526).

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

142503354 is a wasteful number, since it uses less digits than its factorization.

142503354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 142503354 is about 11937.4768690875. The cubic root of 142503354 is about 522.3260613155.

Adding to 142503354 its reverse (453305241), we get a palindrome (595808595).

The spelling of 142503354 in words is "one hundred forty-two million, five hundred three thousand, three hundred fifty-four".