142497628 has 48 divisors (see below), whose sum is σ = 308064960. Its totient is φ = 56162304.

The previous prime is 142497623. The next prime is 142497653. The reversal of 142497628 is 826794241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142497623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127938 + ... + 129046.

It is an arithmetic number, because the mean of its divisors is an integer number (6418020).

Almost surely, 2^142497628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142497628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154032480).

142497628 is an abundant number, since it is smaller than the sum of its proper divisors (165567332).

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

142497628 is a wasteful number, since it uses less digits than its factorization.

142497628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 142497628 is about 11937.2370337528. The cubic root of 142497628 is about 522.3190652718.

The spelling of 142497628 in words is "one hundred forty-two million, four hundred ninety-seven thousand, six hundred twenty-eight".