142948384 has 12 divisors (see below), whose sum is σ = 281429694. Its totient is φ = 71474176.

The previous prime is 142948373. The next prime is 142948397. The reversal of 142948384 is 483849241.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 64448784 = 8860^2 + 8028^2 .

It is a super-2 number, since 2×142948384² = 40868480976422912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142948384.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233537 + ... + 2233600.

Almost surely, 2^142948384 is an apocalyptic number.

It is an amenable number.

142948384 is a deficient number, since it is larger than the sum of its proper divisors (138481310).

142948384 is an equidigital number, since it uses as much as digits as its factorization.

142948384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467147 (or 4467139 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 142948384 is about 11956.1023749381. The cubic root of 142948384 is about 522.8692279676.

The spelling of 142948384 in words is "one hundred forty-two million, nine hundred forty-eight thousand, three hundred eighty-four".