146448974 has 32 divisors (see below), whose sum is σ = 257852160. Its totient is φ = 61086528.

The previous prime is 146448959. The next prime is 146448977. The reversal of 146448974 is 479844641.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146448977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87554 + ... + 89210.

It is an arithmetic number, because the mean of its divisors is an integer number (8057880).

Almost surely, 2^146448974 is an apocalyptic number.

146448974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

146448974 is a deficient number, since it is larger than the sum of its proper divisors (111403186).

146448974 is a wasteful number, since it uses less digits than its factorization.

146448974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its digits is 774144, while the sum is 47.

The square root of 146448974 is about 12101.6103887045. The cubic root of 146448974 is about 527.1029471695.

The spelling of 146448974 in words is "one hundred forty-six million, four hundred forty-eight thousand, nine hundred seventy-four".