145412722 has 32 divisors (see below), whose sum is σ = 271095552. Its totient is φ = 56960064.

The previous prime is 145412711. The next prime is 145412731. The reversal of 145412722 is 227214541.

It is a super-2 number, since 2×145412722² = 42289719438898568, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 14868 + ... + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (8471736).

Almost surely, 2^145412722 is an apocalyptic number.

145412722 is a deficient number, since it is larger than the sum of its proper divisors (125682830).

145412722 is a wasteful number, since it uses less digits than its factorization.

145412722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its digits is 4480, while the sum is 28.

The square root of 145412722 is about 12058.7197496252. The cubic root of 145412722 is about 525.8567682412.

The spelling of 145412722 in words is "one hundred forty-five million, four hundred twelve thousand, seven hundred twenty-two".