147438970 has 32 divisors (see below), whose sum is σ = 316493568. Its totient is φ = 48352128.

The previous prime is 147438961. The next prime is 147438979. The reversal of 147438970 is 79834741.

It is an interprime number because it is at equal distance from previous prime (147438961) and next prime (147438979).

It is not an unprimeable number, because it can be changed into a prime (147438979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44179 + ... + 47398.

It is an arithmetic number, because the mean of its divisors is an integer number (9890424).

Almost surely, 2^147438970 is an apocalyptic number.

147438970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147438970 is an abundant number, since it is smaller than the sum of its proper divisors (169054598).

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

147438970 is a wasteful number, since it uses less digits than its factorization.

147438970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91614.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 147438970 is about 12142.4449761982. Note that the first 3 decimals coincide. The cubic root of 147438970 is about 528.2880205632.

The spelling of 147438970 in words is "one hundred forty-seven million, four hundred thirty-eight thousand, nine hundred seventy".