145720846 has 16 divisors (see below), whose sum is σ = 222290640. Its totient is φ = 71628480.

The previous prime is 145720843. The next prime is 145720849. The reversal of 145720846 is 648027541.

It is an interprime number because it is at equal distance from previous prime (145720843) and next prime (145720849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145720843) 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, 101260 + ... + 102688.

It is an arithmetic number, because the mean of its divisors is an integer number (13893165).

Almost surely, 2^145720846 is an apocalyptic number.

145720846 is a deficient number, since it is larger than the sum of its proper divisors (76569794).

145720846 is a wasteful number, since it uses less digits than its factorization.

145720846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 145720846 is about 12071.4889719537. The cubic root of 145720846 is about 526.2279296698.

The spelling of 145720846 in words is "one hundred forty-five million, seven hundred twenty thousand, eight hundred forty-six".