152161444 has 6 divisors (see below), whose sum is σ = 266282534. Its totient is φ = 76080720.

The previous prime is 152161433. The next prime is 152161469. The reversal of 152161444 is 444161251.

It can be written as a sum of positive squares in only one way, i.e., 86713344 + 65448100 = 9312^2 + 8090^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19020177 + ... + 19020184.

Almost surely, 2^152161444 is an apocalyptic number.

It is an amenable number.

152161444 is a deficient number, since it is larger than the sum of its proper divisors (114121090).

152161444 is a wasteful number, since it uses less digits than its factorization.

152161444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38040365 (or 38040363 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 152161444 is about 12335.3736870838. The cubic root of 152161444 is about 533.8692091323.

It can be divided in two parts, 152 and 161444, that added together give a triangular number (161596 = T₅₆₈).

The spelling of 152161444 in words is "one hundred fifty-two million, one hundred sixty-one thousand, four hundred forty-four".