145230506 has 16 divisors (see below), whose sum is σ = 222372000. Its totient is φ = 71115888.

The previous prime is 145230499. The next prime is 145230511. The reversal of 145230506 is 605032541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31220 + ... + 35568.

It is an arithmetic number, because the mean of its divisors is an integer number (13898250).

Almost surely, 2^145230506 is an apocalyptic number.

145230506 is a deficient number, since it is larger than the sum of its proper divisors (77141494).

145230506 is a wasteful number, since it uses less digits than its factorization.

145230506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145230506 is about 12051.1620186603. The cubic root of 145230506 is about 525.6370268800.

The spelling of 145230506 in words is "one hundred forty-five million, two hundred thirty thousand, five hundred six".