145464550 has 48 divisors (see below), whose sum is σ = 337335552. Its totient is φ = 45338400.

The previous prime is 145464541. The next prime is 145464601. The reversal of 145464550 is 55464541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15042 + ... + 22741.

It is an arithmetic number, because the mean of its divisors is an integer number (7027824).

Almost surely, 2^145464550 is an apocalyptic number.

145464550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145464550 is an abundant number, since it is smaller than the sum of its proper divisors (191871002).

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

145464550 is a wasteful number, since it uses less digits than its factorization.

145464550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37813 (or 37808 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 145464550 is about 12060.8685425221. The cubic root of 145464550 is about 525.9192361071.

Subtracting from 145464550 its reverse (55464541), we obtain a palindrome (90000009).

The spelling of 145464550 in words is "one hundred forty-five million, four hundred sixty-four thousand, five hundred fifty".