145772240786 has 16 divisors (see below), whose sum is σ = 223973358336. Its totient is φ = 71123658816.

The previous prime is 145772240749. The next prime is 145772241007. The reversal of 145772240786 is 687042277541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269166 + ... + 2332521.

It is an arithmetic number, because the mean of its divisors is an integer number (13998334896).

Almost surely, 2^145772240786 is an apocalyptic number.

145772240786 is a deficient number, since it is larger than the sum of its proper divisors (78201117550).

145772240786 is a wasteful number, since it uses less digits than its factorization.

145772240786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602073.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 145772240786 in words is "one hundred forty-five billion, seven hundred seventy-two million, two hundred forty thousand, seven hundred eighty-six".