144311332 has 12 divisors (see below), whose sum is σ = 275503536. Its totient is φ = 65596040.

The previous prime is 144311273. The next prime is 144311341. The reversal of 144311332 is 233113441.

It is a super-2 number, since 2×144311332² = 41651521087228448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639858 + ... + 1639945.

It is an arithmetic number, because the mean of its divisors is an integer number (22958628).

Almost surely, 2^144311332 is an apocalyptic number.

It is an amenable number.

144311332 is a deficient number, since it is larger than the sum of its proper divisors (131192204).

144311332 is a wasteful number, since it uses less digits than its factorization.

144311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279818 (or 3279816 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 144311332 is about 12012.9651626899. The cubic root of 144311332 is about 524.5257479856.

Adding to 144311332 its reverse (233113441), we get a palindrome (377424773).

The spelling of 144311332 in words is "one hundred forty-four million, three hundred eleven thousand, three hundred thirty-two".