145841422 has 16 divisors (see below), whose sum is σ = 227140992. Its totient is φ = 70155360.

The previous prime is 145841417. The next prime is 145841429. The reversal of 145841422 is 224148541.

It is a super-3 number, since 3×145841422³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145841429) 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, 3928 + ... + 17524.

It is an arithmetic number, because the mean of its divisors is an integer number (14196312).

Almost surely, 2^145841422 is an apocalyptic number.

145841422 is a deficient number, since it is larger than the sum of its proper divisors (81299570).

145841422 is a wasteful number, since it uses less digits than its factorization.

145841422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13803.

The product of its digits is 10240, while the sum is 31.

The square root of 145841422 is about 12076.4821864647. The cubic root of 145841422 is about 526.3730312300.

Adding to 145841422 its reverse (224148541), we get a palindrome (369989963).

The spelling of 145841422 in words is "one hundred forty-five million, eight hundred forty-one thousand, four hundred twenty-two".