146389930 has 16 divisors (see below), whose sum is σ = 267214464. Its totient is φ = 57730960.

The previous prime is 146389909. The next prime is 146389933. The reversal of 146389930 is 39983641.

It is not an unprimeable number, because it can be changed into a prime (146389933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102382 + ... + 103801.

It is an arithmetic number, because the mean of its divisors is an integer number (16700904).

Almost surely, 2^146389930 is an apocalyptic number.

146389930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146389930 is a deficient number, since it is larger than the sum of its proper divisors (120824534).

146389930 is a wasteful number, since it uses less digits than its factorization.

146389930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206261.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 146389930 is about 12099.1706327335. The cubic root of 146389930 is about 527.0321000818.

The spelling of 146389930 in words is "one hundred forty-six million, three hundred eighty-nine thousand, nine hundred thirty".