147420 has 120 divisors (see below), whose sum is σ = 569184. Its totient is φ = 31104.

The previous prime is 147419. The next prime is 147449. The reversal of 147420 is 24741.

147420 = T₅ + T₆ + ... + T₉₅.

It is a happy number.

147420 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 147393 and 147402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11334 + ... + 11346.

2¹⁴⁷⁴²⁰ is an apocalyptic number.

147420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284592).

147420 is an abundant number, since it is smaller than the sum of its proper divisors (421764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147420 is a wasteful number, since it uses less digits than its factorization.

147420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 147420 is about 383.9531221386. The cubic root of 147420 is about 52.8265362479.

The spelling of 147420 in words is "one hundred forty-seven thousand, four hundred twenty", and thus it is an iban number.