147542 has 4 divisors (see below), whose sum is σ = 221316. Its totient is φ = 73770.

The previous prime is 147541. The next prime is 147547. The reversal of 147542 is 245741.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147542.

It is not an unprimeable number, because it can be changed into a prime (147541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36884 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (55329).

2¹⁴⁷⁵⁴² is an apocalyptic number.

147542 is a deficient number, since it is larger than the sum of its proper divisors (73774).

147542 is an equidigital number, since it uses as much as digits as its factorization.

147542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73773.

The product of its digits is 1120, while the sum is 23.

The square root of 147542 is about 384.1119628442. Note that the first 3 decimals coincide. The cubic root of 147542 is about 52.8411047380.

The spelling of 147542 in words is "one hundred forty-seven thousand, five hundred forty-two".