145965834 has 32 divisors (see below), whose sum is σ = 370707840. Its totient is φ = 41704416.

The previous prime is 145965803. The next prime is 145965839. The reversal of 145965834 is 438569541.

145965834 is a `hidden beast` number, since 1 + 4 + 596 + 58 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 145965834.

It is not an unprimeable number, because it can be changed into a prime (145965839) 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, 192699 + ... + 193454.

It is an arithmetic number, because the mean of its divisors is an integer number (11584620).

Almost surely, 2^145965834 is an apocalyptic number.

145965834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145965834 is an abundant number, since it is smaller than the sum of its proper divisors (224742006).

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

145965834 is a wasteful number, since it uses less digits than its factorization.

145965834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386171 (or 386165 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 145965834 is about 12081.6320917333. The cubic root of 145965834 is about 526.5226652364.

The spelling of 145965834 in words is "one hundred forty-five million, nine hundred sixty-five thousand, eight hundred thirty-four".