146009730 has 32 divisors (see below), whose sum is σ = 357882624. Its totient is φ = 38107136.

The previous prime is 146009723. The next prime is 146009789. The reversal of 146009730 is 37900641.

It is a happy number.

146009730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50367 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (11183832).

Almost surely, 2^146009730 is an apocalyptic number.

146009730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146009730 is an abundant number, since it is smaller than the sum of its proper divisors (211872894).

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

146009730 is a wasteful number, since it uses less digits than its factorization.

146009730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103610.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 146009730 is about 12083.4485971514. The cubic root of 146009730 is about 526.5754399665.

The spelling of 146009730 in words is "one hundred forty-six million, nine thousand, seven hundred thirty".