146981946 has 16 divisors (see below), whose sum is σ = 294624000. Its totient is φ = 48883968.

The previous prime is 146981917. The next prime is 146981951. The reversal of 146981946 is 649189641.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146981895 and 146981904.

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, 24586 + ... + 29973.

It is an arithmetic number, because the mean of its divisors is an integer number (18414000).

Almost surely, 2^146981946 is an apocalyptic number.

146981946 is an abundant number, since it is smaller than the sum of its proper divisors (147642054).

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

146981946 is a wasteful number, since it uses less digits than its factorization.

146981946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55013.

The product of its digits is 373248, while the sum is 48.

The square root of 146981946 is about 12123.6110957091. The cubic root of 146981946 is about 527.7416019263.

The spelling of 146981946 in words is "one hundred forty-six million, nine hundred eighty-one thousand, nine hundred forty-six".