147943970 has 16 divisors (see below), whose sum is σ = 267773688. Its totient is φ = 58849920.

The previous prime is 147943969. The next prime is 147944003. The reversal of 147943970 is 79349741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48762289 + 99181681 = 6983^2 + 9959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39059 + ... + 42678.

Almost surely, 2^147943970 is an apocalyptic number.

147943970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147943970 is a deficient number, since it is larger than the sum of its proper divisors (119829718).

147943970 is a wasteful number, since it uses less digits than its factorization.

147943970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81925.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 147943970 is about 12163.2220237896. Note that the first 3 decimals coincide. The cubic root of 147943970 is about 528.8904877752.

The spelling of 147943970 in words is "one hundred forty-seven million, nine hundred forty-three thousand, nine hundred seventy".