145522414 has 8 divisors (see below), whose sum is σ = 231123888. Its totient is φ = 68481120.

The previous prime is 145522411. The next prime is 145522423. The reversal of 145522414 is 414225541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145522411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140002 + ... + 2140069.

It is an arithmetic number, because the mean of its divisors is an integer number (28890486).

Almost surely, 2^145522414 is an apocalyptic number.

145522414 is a deficient number, since it is larger than the sum of its proper divisors (85601474).

145522414 is a wasteful number, since it uses less digits than its factorization.

145522414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280090.

The product of its digits is 6400, while the sum is 28.

The square root of 145522414 is about 12063.2671362281. The cubic root of 145522414 is about 525.9889615865.

Adding to 145522414 its reverse (414225541), we get a palindrome (559747955).

The spelling of 145522414 in words is "one hundred forty-five million, five hundred twenty-two thousand, four hundred fourteen".