145031414 has 16 divisors (see below), whose sum is σ = 238325760. Its totient is φ = 65645160.

The previous prime is 145031413. The next prime is 145031417. The reversal of 145031414 is 414130541.

It is a super-2 number, since 2×145031414² = 42068222093678792, 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 145031414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145031413) 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 7 ways as a sum of consecutive naturals, for example, 8534 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (14895360).

Almost surely, 2^145031414 is an apocalyptic number.

145031414 is a deficient number, since it is larger than the sum of its proper divisors (93294346).

145031414 is a wasteful number, since it uses less digits than its factorization.

145031414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145031414 is about 12042.8989035033. The cubic root of 145031414 is about 525.3967238683.

Adding to 145031414 its reverse (414130541), we get a palindrome (559161955).

The spelling of 145031414 in words is "one hundred forty-five million, thirty-one thousand, four hundred fourteen".