147555420 has 24 divisors (see below), whose sum is σ = 413155344. Its totient is φ = 39348096.

The previous prime is 147555413. The next prime is 147555437. The reversal of 147555420 is 24555741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229569 + ... + 1229688.

It is an arithmetic number, because the mean of its divisors is an integer number (17214806).

Almost surely, 2^147555420 is an apocalyptic number.

147555420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147555420 is an abundant number, since it is smaller than the sum of its proper divisors (265599924).

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

147555420 is a wasteful number, since it uses less digits than its factorization.

147555420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459269 (or 2459267 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 147555420 is about 12147.2391925079. The cubic root of 147555420 is about 528.4270678150.

The spelling of 147555420 in words is "one hundred forty-seven million, five hundred fifty-five thousand, four hundred twenty".