145183490 has 16 divisors (see below), whose sum is σ = 261634752. Its totient is φ = 58005744.

The previous prime is 145183471. The next prime is 145183529. The reversal of 145183490 is 94381541.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145183490.

It is an unprimeable number.

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, 1067 + ... + 17073.

It is an arithmetic number, because the mean of its divisors is an integer number (16352172).

Almost surely, 2^145183490 is an apocalyptic number.

145183490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145183490 is a deficient number, since it is larger than the sum of its proper divisors (116451262).

145183490 is a wasteful number, since it uses less digits than its factorization.

145183490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 145183490 is about 12049.2111775004. The cubic root of 145183490 is about 525.5802986290.

The spelling of 145183490 in words is "one hundred forty-five million, one hundred eighty-three thousand, four hundred ninety".