145374322 has 16 divisors (see below), whose sum is σ = 222630912. Its totient is φ = 71177040.

The previous prime is 145374319. The next prime is 145374323. The reversal of 145374322 is 223473541.

It is a happy number.

It is a super-2 number, since 2×145374322² = 42267386993919368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145374323) 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, 20047 + ... + 26317.

It is an arithmetic number, because the mean of its divisors is an integer number (13914432).

Almost surely, 2^145374322 is an apocalyptic number.

145374322 is a deficient number, since it is larger than the sum of its proper divisors (77256590).

145374322 is a wasteful number, since it uses less digits than its factorization.

145374322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its digits is 20160, while the sum is 31.

The square root of 145374322 is about 12057.1274356706. The cubic root of 145374322 is about 525.8104754608.

The spelling of 145374322 in words is "one hundred forty-five million, three hundred seventy-four thousand, three hundred twenty-two".