145129826 has 8 divisors (see below), whose sum is σ = 217802844. Its totient is φ = 72528880.

The previous prime is 145129823. The next prime is 145129837. The reversal of 145129826 is 628921541.

It can be written as a sum of positive squares in 2 ways, for example, as 121110025 + 24019801 = 11005^2 + 4901^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145129826.

It is not an unprimeable number, because it can be changed into a prime (145129823) 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, 12665 + ... + 21228.

Almost surely, 2^145129826 is an apocalyptic number.

145129826 is a deficient number, since it is larger than the sum of its proper divisors (72673018).

145129826 is a wasteful number, since it uses less digits than its factorization.

145129826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36036.

The product of its digits is 34560, while the sum is 38.

The square root of 145129826 is about 12046.9841039158. The cubic root of 145129826 is about 525.5155341094.

The spelling of 145129826 in words is "one hundred forty-five million, one hundred twenty-nine thousand, eight hundred twenty-six".