145723022 has 16 divisors (see below), whose sum is σ = 222735744. Its totient is φ = 71484000.

The previous prime is 145723021. The next prime is 145723049. The reversal of 145723022 is 220327541.

It is a junction number, because it is equal to n+sod(n) for n = 145722982 and 145723000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145723021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54947 + ... + 57537.

It is an arithmetic number, because the mean of its divisors is an integer number (13920984).

Almost surely, 2^145723022 is an apocalyptic number.

145723022 is a deficient number, since it is larger than the sum of its proper divisors (77012722).

145723022 is a wasteful number, since it uses less digits than its factorization.

145723022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145723022 is about 12071.5791013438. The cubic root of 145723022 is about 526.2305489846.

The spelling of 145723022 in words is "one hundred forty-five million, seven hundred twenty-three thousand, twenty-two".