147432420 has 192 divisors, whose sum is σ = 484162560. Its totient is φ = 37200384.

The previous prime is 147432377. The next prime is 147432431. The reversal of 147432420 is 24234741.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 938982 + ... + 939138.

It is an arithmetic number, because the mean of its divisors is an integer number (2521680).

Almost surely, 2^147432420 is an apocalyptic number.

147432420 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 147432420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242081280).

147432420 is an abundant number, since it is smaller than the sum of its proper divisors (336730140).

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

147432420 is a wasteful number, since it uses less digits than its factorization.

147432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 147432420 is about 12142.1752581652. The cubic root of 147432420 is about 528.2801973538.

The spelling of 147432420 in words is "one hundred forty-seven million, four hundred thirty-two thousand, four hundred twenty".