145436722 has 8 divisors (see below), whose sum is σ = 218784816. Its totient is φ = 72508452.

The previous prime is 145436701. The next prime is 145436723. The reversal of 145436722 is 227634541.

145436722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145436722² = 42303680212210568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145436723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104088 + ... + 105475.

It is an arithmetic number, because the mean of its divisors is an integer number (27348102).

Almost surely, 2^145436722 is an apocalyptic number.

145436722 is a deficient number, since it is larger than the sum of its proper divisors (73348094).

145436722 is a wasteful number, since it uses less digits than its factorization.

145436722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209912.

The product of its digits is 40320, while the sum is 34.

The square root of 145436722 is about 12059.7148390831. The cubic root of 145436722 is about 525.8856970906.

The spelling of 145436722 in words is "one hundred forty-five million, four hundred thirty-six thousand, seven hundred twenty-two".