147942 has 12 divisors (see below), whose sum is σ = 320580. Its totient is φ = 49308.

The previous prime is 147937. The next prime is 147949. The reversal of 147942 is 249741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4092 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (26715).

2¹⁴⁷⁹⁴² is an apocalyptic number.

147942 is an abundant number, since it is smaller than the sum of its proper divisors (172638).

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

147942 is a wasteful number, since it uses less digits than its factorization.

147942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227 (or 8224 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 147942 is about 384.6322919361. The cubic root of 147942 is about 52.8888140222. Note that the first 4 decimals are identical.

It can be divided in two parts, 1479 and 42, that added together give a square (1521 = 39²).

The spelling of 147942 in words is "one hundred forty-seven thousand, nine hundred forty-two".