145408190 has 32 divisors (see below), whose sum is σ = 267770880. Its totient is φ = 56837664.

The previous prime is 145408171. The next prime is 145408199. The reversal of 145408190 is 91804541.

It is a super-3 number, since 3×145408190³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145408199) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 80477 + ... + 82263.

It is an arithmetic number, because the mean of its divisors is an integer number (8367840).

Almost surely, 2^145408190 is an apocalyptic number.

145408190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145408190 is a deficient number, since it is larger than the sum of its proper divisors (122362690).

145408190 is a wasteful number, since it uses less digits than its factorization.

145408190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 145408190 is about 12058.5318343487. The cubic root of 145408190 is about 525.8513051529.

The spelling of 145408190 in words is "one hundred forty-five million, four hundred eight thousand, one hundred ninety".