145129834 has 8 divisors (see below), whose sum is σ = 217765440. Its totient is φ = 72541356.

The previous prime is 145129823. The next prime is 145129837. The reversal of 145129834 is 438921541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145129793 and 145129802.

It is not an unprimeable number, because it can be changed into a prime (145129837) 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 3 ways as a sum of consecutive naturals, for example, 2674 + ... + 17245.

It is an arithmetic number, because the mean of its divisors is an integer number (27220680).

Almost surely, 2^145129834 is an apocalyptic number.

145129834 is a deficient number, since it is larger than the sum of its proper divisors (72635606).

145129834 is a wasteful number, since it uses less digits than its factorization.

145129834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23564.

The product of its digits is 34560, while the sum is 37.

The square root of 145129834 is about 12046.9844359491. The cubic root of 145129834 is about 525.5155437654.

The spelling of 145129834 in words is "one hundred forty-five million, one hundred twenty-nine thousand, eight hundred thirty-four".