147006542 has 4 divisors (see below), whose sum is σ = 220509816. Its totient is φ = 73503270.

The previous prime is 147006533. The next prime is 147006581. The reversal of 147006542 is 245600741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245600741 = 8647 ⋅28403.

It is a super-2 number, since 2×147006542² = 43221846781595528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36751634 + ... + 36751637.

It is an arithmetic number, because the mean of its divisors is an integer number (55127454).

Almost surely, 2^147006542 is an apocalyptic number.

147006542 is a deficient number, since it is larger than the sum of its proper divisors (73503274).

147006542 is an equidigital number, since it uses as much as digits as its factorization.

147006542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73503273.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 147006542 is about 12124.6254375135. The cubic root of 147006542 is about 527.7710377602.

The spelling of 147006542 in words is "one hundred forty-seven million, six thousand, five hundred forty-two".