147520234 has 4 divisors (see below), whose sum is σ = 221280354. Its totient is φ = 73760116.

The previous prime is 147520213. The next prime is 147520277. The reversal of 147520234 is 432025741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 5076009 = 11935^2 + 2253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36880057 + ... + 36880060.

Almost surely, 2^147520234 is an apocalyptic number.

147520234 is a deficient number, since it is larger than the sum of its proper divisors (73760120).

147520234 is an equidigital number, since it uses as much as digits as its factorization.

147520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73760119.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 147520234 is about 12145.7907935218. The cubic root of 147520234 is about 528.3850616479.

Adding to 147520234 its reverse (432025741), we get a palindrome (579545975).

The spelling of 147520234 in words is "one hundred forty-seven million, five hundred twenty thousand, two hundred thirty-four".