147649983 has 32 divisors (see below), whose sum is σ = 218803200. Its totient is φ = 87993216.

The previous prime is 147649963. The next prime is 147649987. The reversal of 147649983 is 389946741.

It is not a de Polignac number, because 147649983 - 2¹⁰ = 147648959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147649987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199428 + ... + 200166.

It is an arithmetic number, because the mean of its divisors is an integer number (6837600).

Almost surely, 2^147649983 is an apocalyptic number.

147649983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147649983 is a deficient number, since it is larger than the sum of its proper divisors (71153217).

147649983 is a wasteful number, since it uses less digits than its factorization.

147649983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its digits is 1306368, while the sum is 51.

The square root of 147649983 is about 12151.1309350200. The cubic root of 147649983 is about 528.5399270558.

The spelling of 147649983 in words is "one hundred forty-seven million, six hundred forty-nine thousand, nine hundred eighty-three".