145030418 has 8 divisors (see below), whose sum is σ = 234279948. Its totient is φ = 66937104.

The previous prime is 145030409. The next prime is 145030441. The reversal of 145030418 is 814030541.

It can be written as a sum of positive squares in 2 ways, for example, as 137992009 + 7038409 = 11747^2 + 2653^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5578093 = 145030418 / (1 + 4 + 5 + 0 + 3 + 0 + 4 + 1 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789021 + ... + 2789072.

Almost surely, 2^145030418 is an apocalyptic number.

145030418 is a deficient number, since it is larger than the sum of its proper divisors (89249530).

145030418 is a wasteful number, since it uses less digits than its factorization.

145030418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578108.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 145030418 is about 12042.8575512625. The cubic root of 145030418 is about 525.3955211488.

Adding to 145030418 its reverse (814030541), we get a palindrome (959060959).

The spelling of 145030418 in words is "one hundred forty-five million, thirty thousand, four hundred eighteen".