145052346 has 32 divisors (see below), whose sum is σ = 306293760. Its totient is φ = 45668016.

The previous prime is 145052339. The next prime is 145052407. The reversal of 145052346 is 643250541.

It is a Curzon 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, 40105 + ... + 43571.

It is an arithmetic number, because the mean of its divisors is an integer number (9571680).

Almost surely, 2^145052346 is an apocalyptic number.

145052346 is an abundant number, since it is smaller than the sum of its proper divisors (161241414).

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

145052346 is a wasteful number, since it uses less digits than its factorization.

145052346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145052346 is about 12043.7679320053. The cubic root of 145052346 is about 525.4219990251.

The spelling of 145052346 in words is "one hundred forty-five million, fifty-two thousand, three hundred forty-six".