145850638 has 8 divisors (see below), whose sum is σ = 219245832. Its totient is φ = 72768696.

The previous prime is 145850623. The next prime is 145850689. The reversal of 145850638 is 836058541.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145850638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77145 + ... + 79012.

It is an arithmetic number, because the mean of its divisors is an integer number (27405729).

Almost surely, 2^145850638 is an apocalyptic number.

145850638 is a deficient number, since it is larger than the sum of its proper divisors (73395194).

145850638 is a wasteful number, since it uses less digits than its factorization.

145850638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156626.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 145850638 is about 12076.8637485069. The cubic root of 145850638 is about 526.3841185046.

The spelling of 145850638 in words is "one hundred forty-five million, eight hundred fifty thousand, six hundred thirty-eight".