152143444 has 12 divisors (see below), whose sum is σ = 267631924. Its totient is φ = 75677184.

The previous prime is 152143429. The next prime is 152143447. The reversal of 152143444 is 444341251.

It can be written as a sum of positive squares in 2 ways, for example, as 92390544 + 59752900 = 9612^2 + 7730^2 .

It is a super-2 number, since 2×152143444² = 46295255104362272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152143447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97767 + ... + 99310.

Almost surely, 2^152143444 is an apocalyptic number.

It is an amenable number.

152143444 is a deficient number, since it is larger than the sum of its proper divisors (115488480).

152143444 is a wasteful number, since it uses less digits than its factorization.

152143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197274 (or 197272 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 152143444 is about 12334.6440564777. The cubic root of 152143444 is about 533.8481568770.

Adding to 152143444 its reverse (444341251), we get a palindrome (596484695).

The spelling of 152143444 in words is "one hundred fifty-two million, one hundred forty-three thousand, four hundred forty-four".