142644124 has 12 divisors (see below), whose sum is σ = 285288304. Its totient is φ = 61133184.

The previous prime is 142644101. The next prime is 142644133. The reversal of 142644124 is 421446241.

142644124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

142644124 is an admirable number.

It is a super-2 number, since 2×142644124² = 40694692223454752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5094433 = 142644124 / (1 + 4 + 2 + 6 + 4 + 4 + 1 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 142644092 and 142644101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547189 + ... + 2547244.

Almost surely, 2^142644124 is an apocalyptic number.

142644124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142644124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142644124 is a wasteful number, since it uses less digits than its factorization.

142644124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094444 (or 5094442 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 142644124 is about 11943.3715507808. The cubic root of 142644124 is about 522.4979956121.

The spelling of 142644124 in words is "one hundred forty-two million, six hundred forty-four thousand, one hundred twenty-four".