145408450 has 48 divisors (see below), whose sum is σ = 300114720. Its totient is φ = 51968000.

The previous prime is 145408441. The next prime is 145408451. The reversal of 145408450 is 54804541.

It is a super-2 number, since 2×145408450² = 42287234662805000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145408451) 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 23 ways as a sum of consecutive naturals, for example, 30210 + ... + 34690.

It is an arithmetic number, because the mean of its divisors is an integer number (6252390).

Almost surely, 2^145408450 is an apocalyptic number.

145408450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145408450 is an abundant number, since it is smaller than the sum of its proper divisors (154706270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145408450 is a wasteful number, since it uses less digits than its factorization.

145408450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 145408450 is about 12058.5426150924. The cubic root of 145408450 is about 525.8516185723.

The spelling of 145408450 in words is "one hundred forty-five million, four hundred eight thousand, four hundred fifty".