146021130 has 48 divisors (see below), whose sum is σ = 393722784. Its totient is φ = 38938320.

The previous prime is 146021101. The next prime is 146021159. The reversal of 146021130 is 31120641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (146021101) and next prime (146021159).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 27616 + ... + 32475.

It is an arithmetic number, because the mean of its divisors is an integer number (8202558).

Almost surely, 2^146021130 is an apocalyptic number.

146021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146021130 is an abundant number, since it is smaller than the sum of its proper divisors (247701654).

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

146021130 is an equidigital number, since it uses as much as digits as its factorization.

146021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60113 (or 60101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 146021130 is about 12083.9203075823. The cubic root of 146021130 is about 526.5891440847.

Adding to 146021130 its reverse (31120641), we get a palindrome (177141771).

The spelling of 146021130 in words is "one hundred forty-six million, twenty-one thousand, one hundred thirty".