147448730 has 64 divisors (see below), whose sum is σ = 315318528. Its totient is φ = 48936960.

The previous prime is 147448711. The next prime is 147448747. The reversal of 147448730 is 37844741.

147448730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147448730² = 43482255957225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138179 + ... + 139241.

It is an arithmetic number, because the mean of its divisors is an integer number (4926852).

Almost surely, 2^147448730 is an apocalyptic number.

147448730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147448730 is an abundant number, since it is smaller than the sum of its proper divisors (167869798).

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

147448730 is a wasteful number, since it uses less digits than its factorization.

147448730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 147448730 is about 12142.8468655419. The cubic root of 147448730 is about 528.2996773124.

The spelling of 147448730 in words is "one hundred forty-seven million, four hundred forty-eight thousand, seven hundred thirty".