147905379 has 16 divisors (see below), whose sum is σ = 219306400. Its totient is φ = 98519328.

The previous prime is 147905377. The next prime is 147905393. The reversal of 147905379 is 973509741.

147905379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147905379 - 2¹ = 147905377 is a prime.

It is a super-2 number, since 2×147905379² = 43752002274267282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147905377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60717 + ... + 63105.

It is an arithmetic number, because the mean of its divisors is an integer number (13706650).

Almost surely, 2^147905379 is an apocalyptic number.

147905379 is a deficient number, since it is larger than the sum of its proper divisors (71401021).

147905379 is a wasteful number, since it uses less digits than its factorization.

147905379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 147905379 is about 12161.6355396797. The cubic root of 147905379 is about 528.8444969682.

The spelling of 147905379 in words is "one hundred forty-seven million, nine hundred five thousand, three hundred seventy-nine".