145641608 has 32 divisors (see below), whose sum is σ = 314487360. Its totient is φ = 61938240.

The previous prime is 145641599. The next prime is 145641619. The reversal of 145641608 is 806146541.

It is a super-2 number, since 2×145641608² = 42422955961651328, which contains 22 as substring.

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, 2591 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (9827730).

Almost surely, 2^145641608 is an apocalyptic number.

It is an amenable number.

145641608 is an abundant number, since it is smaller than the sum of its proper divisors (168845752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145641608 is a wasteful number, since it uses less digits than its factorization.

145641608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997 (or 19993 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 145641608 is about 12068.2064947531. The cubic root of 145641608 is about 526.1325308074.

The spelling of 145641608 in words is "one hundred forty-five million, six hundred forty-one thousand, six hundred eight".