145485638 has 8 divisors (see below), whose sum is σ = 218331288. Its totient is φ = 72708544.

The previous prime is 145485623. The next prime is 145485647. The reversal of 145485638 is 836584541.

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

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, 11456 + ... + 20547.

It is an arithmetic number, because the mean of its divisors is an integer number (27291411).

Almost surely, 2^145485638 is an apocalyptic number.

145485638 is a deficient number, since it is larger than the sum of its proper divisors (72845650).

145485638 is a wasteful number, since it uses less digits than its factorization.

145485638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34278.

The product of its digits is 460800, while the sum is 44.

The square root of 145485638 is about 12061.7427430699. The cubic root of 145485638 is about 525.9446490547.

The spelling of 145485638 in words is "one hundred forty-five million, four hundred eighty-five thousand, six hundred thirty-eight".