145339122 has 8 divisors (see below), whose sum is σ = 290678256. Its totient is φ = 48446372.

The previous prime is 145339079. The next prime is 145339123. The reversal of 145339122 is 221933541.

145339122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

145339122 is an admirable number.

It is a super-2 number, since 2×145339122² = 42246920767461768, 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 145339122.

It is not an unprimeable number, because it can be changed into a prime (145339123) 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, 12111588 + ... + 12111599.

It is an arithmetic number, because the mean of its divisors is an integer number (36334782).

Almost surely, 2^145339122 is an apocalyptic number.

145339122 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.

145339122 is a wasteful number, since it uses less digits than its factorization.

145339122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223192.

The product of its digits is 6480, while the sum is 30.

The square root of 145339122 is about 12055.6676297914. The cubic root of 145339122 is about 525.7680332501.

The spelling of 145339122 in words is "one hundred forty-five million, three hundred thirty-nine thousand, one hundred twenty-two".