146145929 has 4 divisors (see below), whose sum is σ = 153837840. Its totient is φ = 138454020.

The previous prime is 146145919. The next prime is 146145941. The reversal of 146145929 is 929541641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146145929 - 2⁸ = 146145673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146145919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845927 + ... + 3845964.

It is an arithmetic number, because the mean of its divisors is an integer number (38459460).

Almost surely, 2^146145929 is an apocalyptic number.

146145929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146145929 is a deficient number, since it is larger than the sum of its proper divisors (7691911).

146145929 is an equidigital number, since it uses as much as digits as its factorization.

146145929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691910.

The product of its digits is 77760, while the sum is 41.

The square root of 146145929 is about 12089.0830504220. The cubic root of 146145929 is about 526.7391202908.

The spelling of 146145929 in words is "one hundred forty-six million, one hundred forty-five thousand, nine hundred twenty-nine".