152112105 has 48 divisors (see below), whose sum is σ = 274482000. Its totient is φ = 77833728.

The previous prime is 152112097. The next prime is 152112109. The reversal of 152112105 is 501211251.

It can be written as a sum of positive squares in 8 ways, for example, as 19954089 + 132158016 = 4467^2 + 11496^2 .

It is not a de Polignac number, because 152112105 - 2³ = 152112097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152112109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298591 + ... + 299099.

It is an arithmetic number, because the mean of its divisors is an integer number (5718375).

Almost surely, 2^152112105 is an apocalyptic number.

152112105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152112105 is a deficient number, since it is larger than the sum of its proper divisors (122369895).

152112105 is a wasteful number, since it uses less digits than its factorization.

152112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 152112105 is about 12333.3736260603. The cubic root of 152112105 is about 533.8114997684.

Adding to 152112105 its reverse (501211251), we get a palindrome (653323356).

The spelling of 152112105 in words is "one hundred fifty-two million, one hundred twelve thousand, one hundred five".