147520434 has 8 divisors (see below), whose sum is σ = 295040880. Its totient is φ = 49173476.

The previous prime is 147520433. The next prime is 147520453. The reversal of 147520434 is 434025741.

It is a sphenic number, since it is the product of 3 distinct primes.

147520434 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147520433) 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, 12293364 + ... + 12293375.

It is an arithmetic number, because the mean of its divisors is an integer number (36880110).

Almost surely, 2^147520434 is an apocalyptic number.

147520434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

147520434 is a wasteful number, since it uses less digits than its factorization.

147520434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24586744.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 147520434 is about 12145.7990268240. The cubic root of 147520434 is about 528.3853004331.

The spelling of 147520434 in words is "one hundred forty-seven million, five hundred twenty thousand, four hundred thirty-four".