145621006 has 8 divisors (see below), whose sum is σ = 225963720. Its totient is φ = 70299768.

The previous prime is 145621001. The next prime is 145621019. The reversal of 145621006 is 600126541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145621001) 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, 1255296 + ... + 1255411.

It is an arithmetic number, because the mean of its divisors is an integer number (28245465).

Almost surely, 2^145621006 is an apocalyptic number.

145621006 is a deficient number, since it is larger than the sum of its proper divisors (80342714).

145621006 is a wasteful number, since it uses less digits than its factorization.

145621006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510738.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 145621006 is about 12067.3528994556. The cubic root of 145621006 is about 526.1077212911.

Adding to 145621006 its reverse (600126541), we get a palindrome (745747547).

The spelling of 145621006 in words is "one hundred forty-five million, six hundred twenty-one thousand, six".