145899826 has 8 divisors (see below), whose sum is σ = 225909504. Its totient is φ = 70596660.

The previous prime is 145899781. The next prime is 145899827. The reversal of 145899826 is 628998541.

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

It is not an unprimeable number, because it can be changed into a prime (145899827) 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, 1176550 + ... + 1176673.

It is an arithmetic number, because the mean of its divisors is an integer number (28238688).

Almost surely, 2^145899826 is an apocalyptic number.

145899826 is a deficient number, since it is larger than the sum of its proper divisors (80009678).

145899826 is a wasteful number, since it uses less digits than its factorization.

145899826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353256.

The product of its digits is 1244160, while the sum is 52.

The square root of 145899826 is about 12078.9000327017. The cubic root of 145899826 is about 526.4432860481.

The spelling of 145899826 in words is "one hundred forty-five million, eight hundred ninety-nine thousand, eight hundred twenty-six".