145426836 has 96 divisors (see below), whose sum is σ = 374814720. Its totient is φ = 43718400.

The previous prime is 145426781. The next prime is 145426843. The reversal of 145426836 is 638624541.

It is a super-2 number, since 2×145426836² = 42297929257941792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145426794 and 145426803.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 439191 + ... + 439521.

It is an arithmetic number, because the mean of its divisors is an integer number (3904320).

Almost surely, 2^145426836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145426836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187407360).

145426836 is an abundant number, since it is smaller than the sum of its proper divisors (229387884).

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

145426836 is a wasteful number, since it uses less digits than its factorization.

145426836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 443 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 145426836 is about 12059.3049550959. The cubic root of 145426836 is about 525.8737812009.

The spelling of 145426836 in words is "one hundred forty-five million, four hundred twenty-six thousand, eight hundred thirty-six".