147945039 has 32 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 81243360.

The previous prime is 147945019. The next prime is 147945047. The reversal of 147945039 is 930549741.

It is not a de Polignac number, because 147945039 - 2¹⁹ = 147420751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147945019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9292 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2^147945039 is an apocalyptic number.

147945039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

147945039 is a deficient number, since it is larger than the sum of its proper divisors (88445361).

147945039 is a wasteful number, since it uses less digits than its factorization.

147945039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 147945039 is about 12163.2659676585. The cubic root of 147945039 is about 528.8917616417.

The spelling of 147945039 in words is "one hundred forty-seven million, nine hundred forty-five thousand, thirty-nine".