308052153 has 10 divisors (see below), whose sum is σ = 460176794. Its totient is φ = 205368048.

The previous prime is 308052137. The next prime is 308052167. The reversal of 308052153 is 351250803.

It can be written as a sum of positive squares in only one way, i.e., 294568569 + 13483584 = 17163^2 + 3672^2 .

It is not a de Polignac number, because 308052153 - 2⁴ = 308052137 is a prime.

It is a super-2 number, since 2×308052153² = 189792257935870818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308052253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1901476 + ... + 1901637.

Almost surely, 2^308052153 is an apocalyptic number.

It is an amenable number.

308052153 is a deficient number, since it is larger than the sum of its proper divisors (152124641).

308052153 is an equidigital number, since it uses as much as digits as its factorization.

308052153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803125 (or 3803116 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 308052153 is about 17551.4145583768. The cubic root of 308052153 is about 675.3694570024.

The spelling of 308052153 in words is "three hundred eight million, fifty-two thousand, one hundred fifty-three".