145344846 has 16 divisors (see below), whose sum is σ = 291798144. Its totient is φ = 48263544.

The previous prime is 145344809. The next prime is 145344847. The reversal of 145344846 is 648443541.

It is a super-2 number, since 2×145344846² = 42250248517527432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145344847) 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 7 ways as a sum of consecutive naturals, for example, 44476 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (18237384).

Almost surely, 2^145344846 is an apocalyptic number.

145344846 is an abundant number, since it is smaller than the sum of its proper divisors (146453298).

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

145344846 is a wasteful number, since it uses less digits than its factorization.

145344846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92375.

The product of its digits is 184320, while the sum is 39.

The square root of 145344846 is about 12055.9050261687. The cubic root of 145344846 is about 525.7749353989.

The spelling of 145344846 in words is "one hundred forty-five million, three hundred forty-four thousand, eight hundred forty-six".