147405 has 16 divisors (see below), whose sum is σ = 244224. Its totient is φ = 75840.

The previous prime is 147401. The next prime is 147409. The reversal of 147405 is 504741.

147405 = T₆ + T₇ + ... + T₉₅.

It is an interprime number because it is at equal distance from previous prime (147401) and next prime (147409).

It is not a de Polignac number, because 147405 - 2² = 147401 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147405.

It is not an unprimeable number, because it can be changed into a prime (147401) 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, 307 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (15264).

2¹⁴⁷⁴⁰⁵ is an apocalyptic number.

147405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147405 is a deficient number, since it is larger than the sum of its proper divisors (96819).

147405 is a wasteful number, since it uses less digits than its factorization.

147405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 147405 is about 383.9335880071. The cubic root of 147405 is about 52.8247444854.

The spelling of 147405 in words is "one hundred forty-seven thousand, four hundred five".