145769826 has 16 divisors (see below), whose sum is σ = 291793824. Its totient is φ = 48547584.

The previous prime is 145769821. The next prime is 145769839. The reversal of 145769826 is 628967541.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145769821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680 + ... + 17283.

It is an arithmetic number, because the mean of its divisors is an integer number (18237114).

Almost surely, 2^145769826 is an apocalyptic number.

145769826 is an abundant number, since it is smaller than the sum of its proper divisors (146023998).

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

145769826 is a wasteful number, since it uses less digits than its factorization.

145769826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21185.

The product of its digits is 725760, while the sum is 48.

The square root of 145769826 is about 12073.5175487511. The cubic root of 145769826 is about 526.2868820148.

The spelling of 145769826 in words is "one hundred forty-five million, seven hundred sixty-nine thousand, eight hundred twenty-six".