145314438 has 8 divisors (see below), whose sum is σ = 290628888. Its totient is φ = 48438144.

The previous prime is 145314431. The next prime is 145314443. The reversal of 145314438 is 834413541.

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

145314438 is an admirable number.

It is a super-2 number, since 2×145314438² = 42232571782511688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 145314399 and 145314408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145314431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12109531 + ... + 12109542.

It is an arithmetic number, because the mean of its divisors is an integer number (36328611).

Almost surely, 2^145314438 is an apocalyptic number.

145314438 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.

145314438 is a wasteful number, since it uses less digits than its factorization.

145314438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219078.

The product of its digits is 23040, while the sum is 33.

The square root of 145314438 is about 12054.6438354686. The cubic root of 145314438 is about 525.7382665621.

Adding to 145314438 its reverse (834413541), we get a palindrome (979727979).

The spelling of 145314438 in words is "one hundred forty-five million, three hundred fourteen thousand, four hundred thirty-eight".