145373782 has 8 divisors (see below), whose sum is σ = 223379352. Its totient is φ = 70914000.

The previous prime is 145373779. The next prime is 145373791. The reversal of 145373782 is 287373541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145373782² = 42267072985967048, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 886344 + ... + 886507.

It is an arithmetic number, because the mean of its divisors is an integer number (27922419).

Almost surely, 2^145373782 is an apocalyptic number.

145373782 is a deficient number, since it is larger than the sum of its proper divisors (78005570).

145373782 is a wasteful number, since it uses less digits than its factorization.

145373782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772894.

The product of its digits is 141120, while the sum is 40.

The square root of 145373782 is about 12057.1050422562. The cubic root of 145373782 is about 525.8098244104.

The spelling of 145373782 in words is "one hundred forty-five million, three hundred seventy-three thousand, seven hundred eighty-two".