147305407 has 4 divisors (see below), whose sum is σ = 148243816. Its totient is φ = 146367000.

The previous prime is 147305393. The next prime is 147305419. The reversal of 147305407 is 704503741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147305407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147305437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468969 + ... + 469282.

It is an arithmetic number, because the mean of its divisors is an integer number (37060954).

Almost surely, 2^147305407 is an apocalyptic number.

147305407 is a deficient number, since it is larger than the sum of its proper divisors (938409).

147305407 is an equidigital number, since it uses as much as digits as its factorization.

147305407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938408.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 147305407 is about 12136.9438904528. The cubic root of 147305407 is about 528.1284493408.

The spelling of 147305407 in words is "one hundred forty-seven million, three hundred five thousand, four hundred seven".