146162730 has 64 divisors (see below), whose sum is σ = 406591488. Its totient is φ = 32934720.

The previous prime is 146162713. The next prime is 146162741. The reversal of 146162730 is 37261641.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 10009 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (6352992).

Almost surely, 2^146162730 is an apocalyptic number.

146162730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146162730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203295744).

146162730 is an abundant number, since it is smaller than the sum of its proper divisors (260428758).

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

146162730 is a wasteful number, since it uses less digits than its factorization.

146162730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 146162730 is about 12089.7779135930. Note that the first 3 decimals coincide. The cubic root of 146162730 is about 526.7593042373.

The spelling of 146162730 in words is "one hundred forty-six million, one hundred sixty-two thousand, seven hundred thirty".