145307622 has 8 divisors (see below), whose sum is σ = 290615256. Its totient is φ = 48435872.

The previous prime is 145307579. The next prime is 145307627. The reversal of 145307622 is 226703541.

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

145307622 is an admirable number.

It is a super-2 number, since 2×145307622² = 42228610022589768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145307622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145307627) 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, 12108963 + ... + 12108974.

It is an arithmetic number, because the mean of its divisors is an integer number (36326907).

Almost surely, 2^145307622 is an apocalyptic number.

145307622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145307622 is a wasteful number, since it uses less digits than its factorization.

145307622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217942.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 145307622 is about 12054.3611195285. The cubic root of 145307622 is about 525.7300464841.

The spelling of 145307622 in words is "one hundred forty-five million, three hundred seven thousand, six hundred twenty-two".