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153334145 = 530666829
BaseRepresentation
bin10010010001110…
…11000110000001
3101200112011220102
421020323012001
5303223143040
623114252145
73541214216
oct1110730601
9350464812
10153334145
117960a238
1243427055
13259c8683
1416515b0d
15d6dc515
hex923b181

153334145 has 4 divisors (see below), whose sum is σ = 184000980. Its totient is φ = 122667312.

The previous prime is 153334133. The next prime is 153334147. The reversal of 153334145 is 541433351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541433351 = 1633321677.

It can be written as a sum of positive squares in 2 ways, for example, as 27804529 + 125529616 = 5273^2 + 11204^2 .

It is a cyclic number.

It is not a de Polignac number, because 153334145 - 218 = 153072001 is a prime.

It is a super-2 number, since 2×1533341452 = 47022720045762050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153334147) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15333410 + ... + 15333419.

It is an arithmetic number, because the mean of its divisors is an integer number (46000245).

Almost surely, 2153334145 is an apocalyptic number.

It is an amenable number.

153334145 is a deficient number, since it is larger than the sum of its proper divisors (30666835).

153334145 is an equidigital number, since it uses as much as digits as its factorization.

153334145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30666834.

The product of its digits is 10800, while the sum is 29.

The square root of 153334145 is about 12382.8165212927. The cubic root of 153334145 is about 535.2372022959.

Adding to 153334145 its reverse (541433351), we get a palindrome (694767496).

The spelling of 153334145 in words is "one hundred fifty-three million, three hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 30666829 153334145