145300722 has 16 divisors (see below), whose sum is σ = 332116032. Its totient is φ = 41514480.

The previous prime is 145300703. The next prime is 145300763. The reversal of 145300722 is 227003541.

It is a super-2 number, since 2×145300722² = 42224599627442568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145300692 and 145300701.

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 7 ways as a sum of consecutive naturals, for example, 1729729 + ... + 1729812.

It is an arithmetic number, because the mean of its divisors is an integer number (20757252).

Almost surely, 2^145300722 is an apocalyptic number.

145300722 is an abundant number, since it is smaller than the sum of its proper divisors (186815310).

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

145300722 is a wasteful number, since it uses less digits than its factorization.

145300722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459553.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 145300722 is about 12054.0749126592. The cubic root of 145300722 is about 525.7217248404.

The spelling of 145300722 in words is "one hundred forty-five million, three hundred thousand, seven hundred twenty-two".