147020542 has 4 divisors (see below), whose sum is σ = 220530816. Its totient is φ = 73510270.

The previous prime is 147020527. The next prime is 147020563. The reversal of 147020542 is 245020741.

147020542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245020741 = 7 ⋅35002963.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36755134 + ... + 36755137.

It is an arithmetic number, because the mean of its divisors is an integer number (55132704).

Almost surely, 2^147020542 is an apocalyptic number.

147020542 is a deficient number, since it is larger than the sum of its proper divisors (73510274).

147020542 is an equidigital number, since it uses as much as digits as its factorization.

147020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73510273.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 147020542 is about 12125.2027611913. The cubic root of 147020542 is about 527.7877911189.

The spelling of 147020542 in words is "one hundred forty-seven million, twenty thousand, five hundred forty-two".