145044340 has 48 divisors (see below), whose sum is σ = 368589312. Its totient is φ = 46803456.

The previous prime is 145044337. The next prime is 145044353. The reversal of 145044340 is 43440541.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 28092 + ... + 32851.

It is an arithmetic number, because the mean of its divisors is an integer number (7678944).

Almost surely, 2^145044340 is an apocalyptic number.

145044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145044340 is an abundant number, since it is smaller than the sum of its proper divisors (223544972).

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

145044340 is a wasteful number, since it uses less digits than its factorization.

145044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60976 (or 60974 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 145044340 is about 12043.4355563519. The cubic root of 145044340 is about 525.4123321564.

Adding to 145044340 its reverse (43440541), we get a palindrome (188484881).

The spelling of 145044340 in words is "one hundred forty-five million, forty-four thousand, three hundred forty".