145770829 has 16 divisors (see below), whose sum is σ = 153135360. Its totient is φ = 138640320.

The previous prime is 145770809. The next prime is 145770839. The reversal of 145770829 is 928077541.

It is a cyclic number.

It is not a de Polignac number, because 145770829 - 2¹³ = 145762637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145770809) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 346039 + ... + 346459.

It is an arithmetic number, because the mean of its divisors is an integer number (9570960).

Almost surely, 2^145770829 is an apocalyptic number.

It is an amenable number.

145770829 is a deficient number, since it is larger than the sum of its proper divisors (7364531).

145770829 is a wasteful number, since it uses less digits than its factorization.

145770829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 145770829 is about 12073.5590858702. The cubic root of 145770829 is about 526.2880890879.

The spelling of 145770829 in words is "one hundred forty-five million, seven hundred seventy thousand, eight hundred twenty-nine".